What are the three different parts of a nucleotide.
Answers
A nucleotide is a tiny molecule that makes up the fundamental building block of nucleic acids. Nucleotide has three different parts, and the structure of nucleotides consists of a nitrogenous base, a five-carbon sugar, and a phosphate group.
They include a nitrogenous base, a five-carbon sugar, and a phosphate group in their structure. Nucleotides are the essential building blocks of DNA and RNA, two types of nucleic acids.What are the different parts of a nucleotide?A nitrogenous base, a five-carbon sugar, and a phosphate group are the three parts of a nucleotide. The nitrogenous base is one of two kinds of nitrogenous bases: purines and pyrimidines. Adenine (A) and guanine (G) are purine bases, while cytosine (C), thymine (T), and uracil (U) are pyrimidine bases. Both DNA and RNA contain four nitrogenous bases; adenine (A), guanine (G), cytosine (C), and thymine (T) in DNA, while RNA contains uracil (U) in place of thymine (T).
The five-carbon sugar in DNA nucleotides is deoxyribose, while the sugar in RNA nucleotides is ribose. Deoxyribose is similar to ribose, but it lacks an oxygen molecule on its second carbon atom. The sugar molecules in nucleotides are essential because they are the monomers that join together to form nucleic acids.The phosphate group of a nucleotide is a phosphorous atom connected to four oxygen atoms, and it is negatively charged. The phosphate group connects nucleotides in nucleic acids through covalent bonds between the sugar molecule of one nucleotide and the phosphate group of another nucleotide.
A nitrogenous base, a five-carbon sugar, and a phosphate group are the three parts of a nucleotide. Therefore, we can conclude that nucleotide has three different parts, and the structure of nucleotides consists of a nitrogenous base, a five-carbon sugar, and a phosphate group.
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Related Questions
Calculate the mass of 2×10^25 molecules of water
Answers
Answer:6.023*10²³ / 2*10²⁵
To find the mass of a one mole of a specific molecule, add the atomic masses of each of its component atoms.\
If 7.34 mol of O2 reacts, calculate the grams of CO2 produced.CH4 + 2O2—> CO2 + 2H2O
Answers
Answer:
\(161.48\text{ g}\)Explanation:
Here, we want to get the mass of carbon (iv) oxide produced
From the question, we have the balanced chemical reaction stating that 2 moles of oxygen molecule produced 1 mole of carbon (iv) oxide molecule
The number of moles of carbon (iv) oxide produced from 7.34 mol oxygen is thus:
\(\frac{7.34\times1}{2}\text{ = 3.67 moles}\)1 mole of carbon (iv) oxide contains 44 g
The mass in 3.67 moles will be:
\(44\times3.67\text{= 161.48 g}\)What is the pH of a 4.5 x 10^-3M HI solution?
A) 0.1
B) 4.8
C) 3.2
D) 2.4
Answers
Determine the complete, balanced chemical reaction for the following reaction. Selenic acid (H2SeO4) is a powerful oxidizing acid and it dissolve silver and gold: Au + H2SO4 --> Au2(SeO4)3 + H2SO3 + H2O Then, proceed to answer the following questions: Reactants: Enter the coefficient number in front of Au in the reaction: | Enter the coefficient number in front of H2Se04 in the reaction: Products: Enter the coefficient number in front of Auz(SeO4)3 in the reaction: Enter the coefficient number in front of H2SeO3 in the reaction: Enter the coefficient number in front of H20 in the reaction: What type of chemical reaction is this? Enter one of the following: "synthesis", "decomposition", "single displacement", or "double displacement".
Answers
The complete, balanced chemical reaction for the reaction between gold (Au) and selenic acid (H2SeO4) is: 4Au + 3H2SeO4 → 2Au2(SeO4)3 + H2SO3 + H2O. The coefficients for the reactants and products are as follows: 4 for Au, 3 for H2SeO4, 2 for Au2(SeO4)3, 1 for H2SO3, and 1 for H2O. The type of chemical reaction is a single displacement reaction.
The balanced chemical equation for the reaction between gold (Au) and selenic acid (H2SeO4) is:
4Au + 3H2SeO4 → 2Au2(SeO4)3 + H2SO3 + H2O
In this equation, the coefficient in front of Au is 4, indicating that 4 moles of gold are involved in the reaction. The coefficient in front of H2SeO4 is 3, indicating that 3 moles of selenic acid are present.
On the product side, the coefficient in front of Au2(SeO4)3 is 2, indicating the formation of 2 moles of gold selenate. The coefficient in front of H2SO3 is 1, representing the formation of 1 mole of sulfurous acid. The coefficient in front of H2O is also 1, indicating the production of 1 mole of water.
Based on the reactants and products involved, the type of chemical reaction is a single displacement reaction, as gold displaces hydrogen in selenic acid to form gold selenate.
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Why does reactivity increase across a period?
Answers
Reactivity increases across a period due to the increasing number of protons in the nucleus of an atom. As the number of protons increases, the number of electrons in the atom's outermost shell also increases.
This results in a higher nuclear charge, which pulls the electrons closer to the nucleus. This makes it easier for electrons to be lost, making the atom more reactive and more likely to form compounds.
As the number of protons increases across the period, the atom's size also decreases, allowing the electrons to be closer to the nucleus. This further increases the atom's reactivity.
Additionally, the increase in nuclear charge across a period also increases the effective nuclear charge, resulting in a greater attraction between protons and electrons, which further increases the reactivity of the atom.
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Explain why this compound is not a hydrocarbon. *
(2 points)
Answers
50 mL of unknown concentration of HBr is titrated with 0.500M KOH. It is found that to complete neutralization, 75mL of KOH was used. What was the original volume of HBr that was titrated ?
Answers
The original volume of HBr that was titrated can be calculated as the ratio of the moles of HBr to its concentration.
To determine the original volume of HBr that was titrated, we can use the concept of stoichiometry and the equation balanced for the neutralization reaction between HBr and KOH.
The balanced equation is:
HBr + KOH → KBr + H₂O
From the balanced equation, we can see that the stoichiometric ratio between HBr and KOH is 1:1. This means that for every mole of HBr, we need an equal number of moles of KOH to complete neutralization.
First, let's determine the moles of KOH used in the titration:
Moles of KOH = 0.500 M × 0.075 L = 0.0375 mol
Since the stoichiometric ratio is 1:1, this also represents the number of moles of HBr that were neutralized.
Now, we can calculate the original volume of HBr using the concentration of the unknown solution:
Moles of HBr = 0.0375 mol
Concentration of HBr = unknown (let's assume it is C mol/L)
Volume of HBr = Moles of HBr / Concentration of HBr = 0.0375 mol / C mol/L
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BJECTIVE TYPE QUESTIONS
Fill in the blank spaces by choosing the correct words from the words given in list.
List : composition, heat, chemical, photosynthesis, physical
1. Heating of zinc oxide is a
change.
2. Burning of coal is a
change.
3. There is a change in state and
during a chemical change.
4. Plants make their food by the process of
5.
energy is generally given out or absorbed during a chemical change
Answers
Answer:
1.Physical change
2. Chemical change
3. Heat
4.photosynthesis
5. composition
How are electrons arranged around the nucleus of an atom
Answers
Answer: electrons are arranged in shells around an atom's nucleus.
Explanation:
How many grams of Sodium metal are required to completely react with 100 g of Magnesium chloride hexahydrate in a single replacement reaction? (Write a balanced equation first. You don’t need the hydrate part in the balanced equation, you only need it when you do the molar mass of the given).
Answers
Answer:
MgCl2 - 6H2O
203.3 mol
MgCl2 + 2Na = 2NaCl + Mg
22.6g
Explanation:
1. Write the formula of hydrate and find molar mass.
2. Write a balanced single replacement (don't include H2O)
3. Do the given/wanted calculation (include H2O in molar mass of given)
Illustrate Your Answer To Each Question With Suitable Diagrams Or With A Numerical Example. Plan Your Answer To Approximately 100 - 200 Words And 35 Minutes Per Question. How Would The Presence Of Long Covid* Around The World Affect GDP Growth, Global Imbalance, And Inflation In The Short Run And In The Long Run? Briefly Outline The Ideas Behind Your
Answers
COVID is a condition that occurs when individuals continue to have symptoms or develop new ones after recovering from COVID-19.
In addition to affecting human health, the presence of Long COVID can also have economic impacts, particularly on GDP growth, global imbalance, and inflation.
This essay will outline how Long COVID can affect the economy in both the short and long term. Short-term impact of Long COVID on GDP growth, global imbalance, and inflation In the short term, Long COVID's presence is likely to have a negative impact on GDP growth.
In the immediate aftermath of a pandemic, many people may not have the confidence to return to work, travel, or participate in other activities. As a result, there may be a reduction in demand for goods and services, which can lead to a decrease in GDP growth.
In addition, businesses may face additional costs related to employee absenteeism and illness, which can further harm GDP growth. Long COVID can also lead to global imbalances, particularly in countries where the virus is prevalent.
For example, if a significant portion of a country's population is experiencing Long COVID, this can lead to a reduction in exports, as businesses may not be able to produce or deliver goods and services as efficiently.
This can lead to an increase in imports, which can contribute to a trade deficit and further harm the economy. Finally, Long COVID can lead to inflation in the short term, particularly if supply chains are disrupted.
As businesses face increased costs related to employee absenteeism and illness, they may need to increase prices to maintain profitability.
In addition, if supply chains are disrupted due to Long COVID, businesses may need to pay more for raw materials and other inputs, which can lead to an increase in prices. Long-term impact of Long COVID on GDP growth, global imbalance, and inflation In the long run, Long COVID's impact on the economy is less clear.
Some economists argue that the long-term impact of Long COVID on the economy will be minimal, particularly if effective treatments and vaccines are developed.
These individuals argue that the negative short-term impacts of Long COVID on the economy will be offset by increased spending in the future, as people resume normal activities.
Others argue that Long COVID's impact on the economy will be more significant, particularly if individuals continue to experience symptoms and are unable to return to work.
These individuals argue that Long COVID could lead to a reduction in human capital, as people may not be able to participate in the labor market as efficiently. This could lead to a reduction in productivity and harm GDP growth.
Similarly, Long COVID could contribute to global imbalances in the long term, particularly if it continues to be prevalent in certain countries. If a significant portion of the population is unable to participate in the labor market, this can lead to a reduction in exports and a trade deficit.
Finally, Long COVID could contribute to inflation in the long term, particularly if it leads to a reduction in productivity. If businesses are unable to produce goods and services as efficiently due to Long COVID, this can lead to an increase in prices over time.
In conclusion, the presence of Long COVID can have a significant impact on the economy in both the short and long term. While the short-term impact may be more significant, the long-term impact of Long COVID is still uncertain and will depend on a variety of factors, including the effectiveness of treatments and vaccines.
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Long Covid is when people have continued symptoms or health difficulties after recovering from Covid-19.
Long Covid* can affect GDP growth, global imbalances, and inflation in the short and long term.
Long Covid may hurt the economy temporarily. Long Covid can impair productivity and labour force participation. This can lower GDP and economic output. Long Covid treatment expenses can strain healthcare systems and raise inflationary pressures.
Countries with a higher prevalence of Long Covid may have a bigger load on their healthcare systems and workforce, which may aggravate economic inequities. Long Covid may worsen global inequities in countries with poor resources or healthcare facilities.
Long Covid has long-term effects. Long-term health issues can impair productivity and make returning to work difficult, lowering GDP growth. Long-term healthcare costs with Long Covid may increase government deficits and debt.
Long Covid may increase cost-push inflation. Healthcare costs, such as treatment and rehabilitation, can raise medical product and service prices. Inflationary pressures reduce consumers' purchasing power and corporate profitability, hurting the economy.
Long Covid can have complex impacts on GDP growth, global imbalances, and inflation in the short and long term. These implications will depend on Long Covid's severity and persistence, healthcare responses, and pandemic-related economic policy.
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how many moles of hydrogen are present in a 30.42 ml sample at 25.58 degrees celsius and 764.5. torr? assume the hydrogen is dry.
Answers
There are approximately 0.000486 moles of hydrogen present in the sample.
To find the number of moles of hydrogen present in the sample, you need to use the ideal gas law equation, which is PV = nRT where P is the pressure of the gas (in atm), V is the volume of the gas (in L), n is the number of moles of gas, R is the ideal gas constant, and T is the temperature of the gas (in K). First, you need to convert the pressure from torr to atm. You can do this by dividing the pressure in torr by 760, since 1 atm is equal to 760 torr. In this case, the pressure in atm would be: P = 764.5 torr / 760 = 1.0059 atm Next, you need to convert the volume from ml to L. You can do this by dividing the volume in ml by 1000, since 1 L is equal to 1000 ml. In this case, the volume in L would be: V = 30.42 ml / 1000 = 0.03042 L Finally, you need to convert the temperature from degrees Celsius to Kelvin. You can do this by adding 273.15 to the temperature in Celsius. In this case, the temperature in K would be:T = 25.58 degrees Celsius + 273.15 = 298.73 K Now that you have all the necessary values, you can plug them into the ideal gas law equation to solve for the number of moles of hydrogen: n = (PV) / (RT) = (1.0059 atm * 0.03042 L) / (8.31 J/mol*K * 298.73 K) = 4.86 x 10^-4 mol Therefore, there are approximately 0.000486 moles of hydrogen present in the sample
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Chất được chia làm bao nhiêu loại? Lấy ví dụ cho từng loại.
Answers
Đơn chất: Cu, Cu2+,...
Hợp chất: CuO, CuCl2,...
The pOH of a solution is 6. 0. Which statement is correct? Use p O H equals negative logarithm StartBracket upper O upper H superscript minus EndBracket. And p H plus P O H equals 14. The pH of the solution is 20. 0. The concentration of OH– ions is 1. 0 times 10 to the negative 8 moles per liter. The concentration of OH– ions is 1. 0 times 10 to the 6 moles per liter. The pH of the solution is 8. 0.
Answers
The pOH of a solution is 6, then the pH of the solution is 8 moles per liter.
What is pOH?pOH of any solution defines as the negative logarithm of the concentration of hydroxide ions (OH⁻).
In the question given that,
pOH of the solution = 6
i.e. -log[OH⁻] = 6
[OH⁻] = 10⁻⁶
Also we know that, pH + pOH = 14
pH = 14 - 6 = 8 mol/L
Hence, pH of the solution is 8 mol/L.
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Which organisms perform photosynthesis in their cells
A. Autotrophs
B. Heterotrophs
C. All organisms
D. All of the above
Answers
Explanation: Heterotrophs get their energy by eating Autotrophs. Not by photosynthesis.
In the Millikan oil droplet experiment, the oil is sprayed from an atomizer into a chamber. The droplets are allowed to pass through the hole into the chamber so that their fall can be observed. The top and bottom of the chamber consist of electrically charged plates. The upper plate is positively charged, and the lower plate is negatively charged. X rays are introduced into the chamber so that when they strike the oil droplets, the droplets will acquire one or more negative charges. The electric field (voltage) is applied to the metal plates.
Watch the animation and identify the effects of an electric field on the motion of a negatively charged oil droplet. Consider the gravitational force as Fg and the electric force as Fe. All the other forces acting on the oil droplet can be ignored as their effect on the motion of the oil droplet is negligible.
A/ In the absence of an electric field, the oil droplet falls freely due to the gravitational force.
B/ If Fe is increased until it is equal to Fg, the negatively charged oil droplet will remain stationary.
C/ If Fe is greater than Fg, the negatively charged oil droplet will move freely toward the negatively charged plate.
D/ In the presence of an electric field, the negatively charged oil droplet moves freely toward the negatively charged plate.
** I chose B, but that was the wrong answer
Answers
C/ If Fe is greater than Fg, the negatively charged oil droplet will move freely toward the negatively charged plate.
In the Millikan oil droplet experiment, the negatively charged oil droplets are subjected to an electric field created by the charged plates. The electric force (Fe) acts on the oil droplet in a direction opposite to the gravitational force (Fg). When Fe is greater than Fg, the electric force overcomes the gravitational force, causing the negatively charged oil droplet to experience an upward force. As a result, the oil droplet moves freely upward toward the negatively charged plate.
Option B is incorrect because if Fe is equal to Fg, the forces balance each other, resulting in a stationary droplet. However, the question states that Fe is increased until it is greater than Fg, implying that the droplet is no longer stationary but moves in response to the electric force.
Therefore, option C is the correct answer, as it describes the effect of an electric field on the motion of a negatively charged oil droplet in the Millikan oil droplet experiment.
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5
Which of the following is true regarding the particle nature of a solid?
Particles in a solid -
A
move very little, so it cannot easily change its shape.
B
are relatively far apart, so it is highly compressible.
с
are in continual motion, and can slide past each other.
D
are very far apart, so it can easily change its shape.
Answers
Answer:
this answer is b no u can it very easy
Explanation:
because solid and liquid can compress easily
plz support me
Answer:
A. move very little, so it cannot easily change its shape.
The human body is 60% water. Water has a molar mass of 18.02 g/mol. If a
person weighs 75 kg (75,000 grams), how many moles of water would
that person contain? *
Answers
Answer:
2497 moles
Explanation:
human body = 75000 g
60% is H2O
so H2O = 0.60 x 75000 g =45000 g
molar mass of H2O =18.02
so
45000 g/18.02 g/mole = 2497 moles to correct sig fig
when 51.8 and 67.5 are multiplied, the product has ____ significant figures, and when 51.8 and 67.5 are added, the sum has ____ significant figures.
Answers
when 51.8 and 67.5 are multiplied, the product has three significant figures, and when 51.8 and 67.5 are added, the sum has three significant figures.
The significant figures in multiplying 51.8 and 67.5:
51.8 × 67.5 = 3496.5 = 3.50 × 10^3
Now according to the rules of significant figures
All non-zero numbers and trailing zeros to the right of the decimal are significant. But 10 and power of ten like in this case its 3 are not significant. So the product has three significant figures.
The significant figures in adding 51.8 and 67.5:
51.8 + 67.5 = 119.5
Now, according to the rules of significant figures, all non-zero digits are significant figures. So the sum has 4 significant figures.
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6.
Which best represents a particle containing 28 protons, 26 electrons, and 34 neutrons?
A Fe2-
B
54
2+
28N;
C%2Fe2-
DSNi2+
Answers
Answer:
Ni^2+
Explanation:
The following data were obtained from the question:
Proton = 28
Electron = 26
Neutron = 34
Next, we shall determine the atomic number of the element.
Atomic number of an element is simply defined as the number of protons in the atom of an element.
Thus,
Atomic number = proton number
Proton = 28
Atomic number = proton number = 28
Atomic number = 28
Therefore, the element is Nickel since no two elements have the same atomic number.
Finally, we shall determine the charge on the Nickel atom as follow:
Proton = 28
Electron = 26
Charge on atom =
Charge on atom = Proton – Electron
Charge on atom = 28 – 26
Charge on atom = +2
Therefore, we can represent the Particle as Ni^2+
Non-ferrous metal is NOT hardenable by heat treatment; it must
gain strength through a process such as tempering. Is this
statement TRUE or FALSE?
Group of answer choices
True
False
Answers
The statement is FALSE. Non-ferrous metals can be hardened by heat treatment, although the mechanisms and processes involved may differ from ferrous metals.
Heat treatment techniques such as precipitation hardening can be used to increase the strength of non-ferrous metals. Non-ferrous metals are metals or alloys that do not include iron (or iron allotropes, such as ferrite, etc.) in significant quantities. Non-ferrous metals are employed because they have desired qualities like reduced weight (for example, aluminium), greater conductivity (for example, copper), non-magnetic characteristics, or corrosion resistance (for example, zinc), even though they are often more expensive than ferrous metals. In the iron and steel sectors, several non-ferrous materials are also employed. Bauxite, for instance, is used as a flux in blast furnaces, whereas wolframite, pyrolusite, and chromite are utilised to create ferrous alloys.
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in which pair do both compounds exhibit predominantly ionic bonding? group of answer choices naf and mgo so2 and hcl rbf and no2 kno3 and ch4 kcl and co2
Answers
The pair of compounds that exhibit predominantly ionic bonding are NaF and MgO.
NaF is composed of a metal (Na) and a non-metal (F), and MgO is composed of a metal (Mg) and a non-metal (O). In both compounds, the metal atom loses electrons to form a cation, and the non-metal atom gains electrons to form an anion. The resulting ions attract each other electrostatically to form the ionic bond.
In the other pairs of compounds listed, the bonds are not purely ionic. SO2 and HCl have covalent bonds, RbF and NO2 have polar covalent bonds, KNO3 has both ionic and covalent bonds, and KCl and CO2 have polar covalent bonds.
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How many grams of Fe2O3 are needed to produce 51.9 g of CaO?
Answers
Answer:
98.8g (3 s.f.)
Explanation:
Use the mole = mass/mr equation to find the moles of CaO, then use the molar ratio to find the moles of Fe2O3, which is the same as CaO, (assuming the ratio is 1:1, as you haven't stated it clearly in the question). Then use the equation and input to find Mass, which is 98.8g to 3 s.f.
3. Round 87.073 meters to three significant figures. Write your answer in scientific notation. Step 1: 87.073 rounds to _______ To round to three sigrtificant figures, round to the nearest tenth. Step 2. Write the number in scientific notation. _____meters
Answers
Answer:
see below
Explanation:
3. 87.073 meters to three significant figures.
= 87.1 meters
2. Write the number in scientific notation. _____meters
= 8.71 x 10 ¹ meters
Answer:
see below
Explanation:
a. 87.073 meters to three significant figures = 87.1 meters
b. Write the number in scientific notation. _____meters = 8.71 x 10^1 meters
Why reactivity of elements in group 1 increase from lithium to francium?
Answers
Answer:
As you go down group 1, the number of electron shells increases – lithium has two, sodium has three, and so forth. The attraction from the positive nucleus to the negative electron is less. This makes it easier to remove the electron and makes the atom more reactive.
What is the name of the atom that has 26 protons and 24 electrons?
O A. Cobalt (Co)
O B. Iron (Fe)
O C. Chromium (Cr)
O D. Nickel (Ni)
Answers
Answer:
IT IS IRON.
Explanation:
This ion has 24 electrons, so it has experienced a loss of 2 electrons. So, charge on ion is 2+. Also, the element with 26 protons (26 atomic number) is iron (Fe).
Identify all resonance forms of the enolate formed, and indicate whether or not a substantial amount of starting ketone will be present together with the enolate at equilibrium. (select all that apply)
Answers
At equilibrium, a significant quantity of starting ketone will be present with the enolate in the first case.
What is ketone?Ketones are substances produced by the liver. It is formed when there is insufficient insulin in the body to turn sugar into energy.
What happens in scenario two where the formation of possible enolate ions from the cyclohexan-1, 4-di.ketone by abstraction of acidic proton by suing sodium ethoxide base occurs?In this case a substantial amount of ketone will exist along side the enolate at equilibrium.
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In .75 moles of lithium chromate, how many grams are lithium?
Answers
According to the mole concept, in 0.75 moles of lithium chromate there are 55.41 g of lithium.
What is a mole?Mole is defined as the unit of amount of substance . It is the quantity measure of amount of substance of how many elementary particles are present in a given substance.
It is defined as exactly 6.022×10²³ elementary entities. The elementary entity can be a molecule, atom ion depending on the type of substance. Amount of elementary entities in a mole is called as Avogadro's number.
Number of moles=mass/molar mass, thus mass= 0.75×73.89=55.41 g.
Thus, in 0.75 moles of lithium chromate there are 55.41 g of lithium.
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write the transitional metals and their electronic configuration
Answers
Answer:
yo no se nada
Explanation:
solo se que no se nada xd
which classification best describes gold?question 1 options:heterogeneous mixturesolutioncompoundelement
Answers
Gold is an element that belongs to the periodic table.Elements are the simplest form of substances that can exist, and they cannot be divided into simpler substances by chemical methods. Each element is defined by the number of protons present in the atomic nucleus.
Gold is an element that has 79 protons and is represented by the symbol Au.Gold has several properties that distinguish it from other elements. It is a soft, shiny, dense metal with excellent conductivity. Gold is also a noble metal, meaning it is resistant to corrosion and oxidation and does not react with most acids. Its properties have made it useful for many purposes, including jewelry, currency, and electronics.
Heterogeneous mixtures contain two or more substances that are not uniformly distributed and can be separated by physical means. Solutions are homogeneous mixtures composed of a solute dissolved in a solvent. Compounds are substances composed of two or more elements chemically combined in a fixed ratio. Thus, none of these classifications accurately describes gold.
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