Answer:
A
Explanation:
because it doesn't have the ocean water to gain energy
what could cause an error DNA in replication
NOTICE: There are attachments attached to this answer that is mentioned in each paragraph!
We frequently see DNA replication as a well-organized, methodical process, much like a production line. It's not. For the DNA polymerase to read it, the DNA must not lie in a straight line and must be in motion, not static. It is curled and twisted. First, realize that this is a molecular issue. Bacteria lack neurons, cannot "think," and cannot make decisions. Everything is a chemical reaction, and chemical reactions frequently depend on one concentration's osmotic pressure being higher than another, both inside the cell and outside. Even at that level, there is a lot of "nothing," albeit nothing is empty. For a better understanding of the environment, picture a cell as a large room filled with balls of all sizes. Each ball has a unique form and isn't spherical; some balls fit together flawlessly while others don't. This is the easiest way to conceptualize the universe of molecular chemistry. There is never "nothing" other than in space when you push your way through layers upon layers of free oxygen, free nitrogen, helium, carbon dioxide, hydrogen dioxide, argon, methane, etc. when you walk through what we term "air."
Replication mistakes happen. Sometimes DNA polymerase enzymes add the incorrect nucleotide, too many, or too few nucleotides to a sequence. Or the DNA polymerase gets looped on the same strand, adding a few codons in a repetition before the strand slips away and it continues, or there is a tangle of crossing DNA and it jumps to the incorrect thread and back (or never), etc. In order to ensure that the bases added to a developing strand are appropriately matched with their complements, DNA polymerase enzymes are quite picky about the nucleotides they choose to use. However, these enzymes do make errors. Specifically, at a rate of around 1 per 100,000 nucleotides. Doesn't sound like much, but since each diploid cell has 6 billion base pairs, there are around 120,000 errors every cell division.
Ribosomal errors during transcription can even change the synthesis of the DNA polymerase proteins, leading to the creation of a mechanism that is already faulty. Since not all ribosomes are created equally, ribosome quality is important. Bacterial mutation rates are greater because bacterial ribosomes are less accurate and produce a lot more errors than human ribosomes. That is a benefit for simple, quickly reproducing life, which is also very vulnerable to the stresses of the molecular chemical environment. Unlike most more complex forms of life, which also have DNA repair mechanisms incorporated into the DNA polymerase, humans have these mechanisms. Some of these processes can often correct mistakes as soon as they are produced, while others can do so over time.
Regarding the pairing of C and T, etc. There are a number of balls in that room that, at first glance, appear to be identical, but if you compare two closely, you could find that one bump is larger or is located incorrectly even if it appears to be same. Proton shift is one such. Here are two instances using the purine guanine (G) and the pyrimidine thymine (T) (G). Please excuse my handwriting; I learned to type at a very young age. Shifted on the right, normal on the left. NA polymerase (as do most more complex forms of life) frequently correct mistakes as soon as they are made and others that correct mistakes later.
(ATTATCHMENT #1)
what should the charge of a sulfide ion be in order for it to have the same electron configuration as that of neutral phosphorus in the ground state?
Sulfide ion (S+) with +1 charge has the same electron configuration as neutral phosphorus in its ground state. With the chemical formula S, Sulphur dioxide is an inorganic anion of Sulphur.
Following is the neutral phosphorus ground state electron configuration at atomic number 15.
phosphorus-15: 1s, 2s, 2p, 6, 3s, 2p
The electronic configuration of sulphur, which has atomic number 16, is once more as follows.
S-16: 1s, 2s, 2p, 6, 3s, 2p, 4.
From the aforementioned electronic configuration, we can infer that sulphur has one more electron in its valence shell than does phosphorus.
Sulphur must therefore release one electron from its valence shell, converting it from S -1e——>S+, to achieve the same electron configuration as phosphorus, which has 15 electrons.
Similar to this, the sulfuric acid ion, S2- - 3e—->S+
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the party guy, mr. balloon, is making animal figures out of long thin balloons that he twists into different shapes. assume that the balloons are of uniform thickness, and that twisting them has a negligible effect on the volume of gas inside them. therefore, the length of a balloon is proportional to its volume. mr. balloon makes a doggie balloon out of a 2.0 meter balloon, and a butterfly out of a 1.5 meter balloon. the butterfly contains 3.5 moles of gas. how many moles are in the doggie balloon?
4.68 moles are their in 2m gas balloon.
As we know that,
1.5 m balloon contains 3.5 moles of gas
1 m balloon = \(\frac{3.5}{1.5} moles\)
1 m balloon = 2.34 moles
For 2 m balloon,
2 * 2.34 = 4.68 moles of gas are their.
A pure gas may consist of individual atoms (such as a noble gas like neon), elemental molecules made of a single type of atom (such as oxygen), or complex molecules made of several different types of atoms (e.g. carbon dioxide). There are many different pure gases in a gas mixture like air. The great separation of the individual gas particles is what sets gases apart from liquids and solids. A colorless gas becomes invisible to a human observer due to this gap.
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What important ingredients do you need to create a fertilized egg
Answer:
In the 1970s, Epel and other researchers showed that calcium is the essential factor that sparks development in eggs. As calcium levels rise, metabolic changes occur that cause the egg to divide and form into an embryo.
Explanation:
Teniendo en cuenta la siguiente reacción quimica: Mn (NO3)2 + NaBiO; + HNO, HMnO₂+ Bi (NO3)3 + NaNO3 + H₂O ¿Cuánto Bi (NO₂), se obtiene a partir de 650 g de Mn (NO₂)2 y 700 g de NaBiO, si la eficiencia del proceso es de un 80%?
Answer:
La masa de Bi (NO₃) ₃ producida es de aproximadamente 2.117,09 gramos
Explanation:
La ecuación química de la reacción se presenta como sigue;
2Mn (NO₃) ₂ + 5NaBiO₃ + 14HNO₃ → 2HMnO₄ + 5Bi (NO₃) ₃ + 5NaNO₃ + 7H₂O
La masa dada de Mn (NO₃) ₂ = 650 g
La masa de NaBiO₃ = 750 g
El número de moles de Mn (NO₃) ₂ = 650 g / (178.95 g / mol) ≈ 3.63 moles
El número de moles de NaBiO₃ = 750 g / (279.968 g / mol) ≈ 2.68 moles
Por lo tanto, el NaBiO₃, es el reactivo limitante, y el rendimiento teórico de Bi (NO₃) ₃ ≈ 5/2 × 2.68 = 6.7 moles
Dado que la eficiencia del proceso es del 80%, el rendimiento real de Bi (NO₃) ₃ = 0,8 × 6,7 moles = 5,36 moles de Bi (NO₃) ₃
La masa molar de Bi (NO₃) ₃ ≈ 394,98 g / mol
La masa de Bi (NO₃) ₃ = 394,98 g / mol × 5,36 moles ≈ 2,117,09 g
La masa de Bi (NO₃) ₃ produjo ≈ 2,117.09 g
What mass of H2 forms when
35.25 g of Al reacts with excess
hydrochloric acid?
2AI+ 6HCI→ 2AlCl3 + 3H₂
Al: 26.98 g/mol
H₂: 2.02 g/mol
[?] g H₂
Question 7 of 15
Assuming all the substances below have the same mass, which substance
below requires the most energy to raise its temperature by 7°C? Use the table
to help you answer the question.
Substance
Air
Gold
Granite
Wood
Specific Heat
J/(kg °C)
1,010
130
800
1,760
All the substances below have the same mass, Wood requires the most energy to raise its temperature by 7°C. Therefore, option D is correct.
What is specific heat ?The specific heat capacity of a substance is typically determined by measuring the heat capacity of a sample of the substance, usually with a calorimeter, and dividing by the mass of the sample.
The specific heat, also known as specific heat capacity, is the amount of energy required to raise the temperature of one kilogram of mass by one degree Celsius.
If all substances have the same mass, the ability to increase in 7°C will be determined by the lower value of the specific heat. In this case, wood requires less energy to raise the temperature by 7 degrees Celsius.
Thus, option D is correct.
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Use the periodic table to determine the missing part of this nuclear equation. 45 102 Rh → + - 1 0 e 44 102 Ru 45 103 Rh 44 103 Ru 46 102 Pd 46 101 Pd
Answer:
102/46Pd
Explanation:
The mass numbers and the atomic numbers must balance on both sides of the equation. The product side shows a beta particle, indicating that this is a beta decay equation.
Beta decay doesn’t change the mass number of the original atom, so the mass number of the atom on the product side will be the same as the mass number of the atom on the reactant side, 102.
The sum of the atomic numbers on the product side needs to be 45, which is the atomic number of the reactant side. So, the atom on the product side must have a mass number of 46.
Use the periodic table to find the element to be palladium (102/46Pd).
which of the following is an indication that Bill is listening carefully during his conflict resolution process ?
A) He is taking lot’s of notes .
B) He is listening passively .
C) He is correcting mistakes immediately .
D) He is avoiding eye contact studiously .
Answer:
A) He is taking lot’s of notes.
Explanation:
Conflict resolution refers to the process that helps the two parties involved in a communication to turn towards a peaceful resolution when a dispute arises. Conflicts are very obvious to occur among the people working together. Around the professional world, conflicts may emerge among the co-workers, supervisors, and among the management team. The process that helps to resolve the issues is termed to be the conflict resolution process.
In the given situation, the conflict resolution process of resolving the issue would be option A. All the other options would lead towards the emergence of conflict or misunderstanding respectively.
Answer:
A.
He is taking lots of notes.
Explanation:
I took the practice on edge.2020
There are ______ electrons, _______ protons, and ______ neutrons in an atom of .
a) 132, 132, 54
b) 54, 54, 132
c) 78, 78, 54
d) 54, 54, 78
e) 78, 78, 132
There are 54 electrons, 54 protons, and 78 neutrons in an atom of 132 Xe.54.
Xenon is a chemical element with the symbol Xe and atomic number 54. It is a colourless, dense, odourless noble gas found in Earth's atmosphere in trace amounts.
Although generally unreactive, it can undergo a few chemical reactions such as the formation of xenon hexafluoroplatinate, the first noble gas compound to be synthesized.
Solid xenon changes from face-centred cubic (fcc) to hexagonal close packed (hcp) crystal phase under pressure and begins to turn metallic at about 140 GPa, with no noticeable volume change in the hcp phase. It is completely metallic at 155 GPa.
When metallized, xenon appears sky blue because it absorbs red light and transmits other visible frequencies. Such behaviour is unusual for a metal and is explained by the relatively small width of the electron bands in that state.
Full question :
Q. There are ________ electrons,_______ protons, and ______ neutrons in an atom of 132 Xe.54.
a) 78 78 132
b) 54 54 78
c) 54 54 132
d) 78 78 54
e)132 132 54
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How is an element's most likely oxidation state related to its valence electrons? A. It indicates how many valence electrons the element has. B. It indicates what energy level the valence electrons of that element are in C. It indicates how many electrons are required to complete a full valence shell D. It indicates how many valence electrons have been lost by that element.
Answer:
I would pick C
The element's most likely oxidation state related to its valence electrons "It indicates how many electrons are required to complete a full valence shell."
What is oxidation?
An atom's oxidation count would be the charge an atom would have been in the compound were made up of ions.
What is valence electrons?
The amount of electrons given atom needs to lose or gain to achieve the electrical configuration of the next noble gas as well as inert gas is known as valence.
Its only electrons that an element loses were usually its valence electrons. The largest positive oxidation state of a substance is usually determined by the count of valence electrons.
The element's most likely oxidation state related to its valence electrons "It indicates how many electrons are required to complete a full valence shell."
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in the correct lewis structure for ch4 how many unshared electron pairs surround the carbon?
In the correct Lewis structure for CH4 (methane), there are no unshared electron pairs surrounding the carbon atom.
Methane consists of a carbon atom bonded to four hydrogen atoms. Each hydrogen atom shares one electron with the carbon atom, forming four sigma bonds. Carbon has four valence electrons, and each hydrogen contributes one valence electron, resulting in a total of eight valence electrons in the molecule.
To represent this structure in a Lewis structure, we place the carbon atom in the center and connect it to the four hydrogen atoms through single bonds. The carbon atom is surrounded by four regions of electron density, which are the four sigma bonds. Since there are no unshared electron pairs around the carbon atom, it follows the octet rule, achieving a stable configuration.
Therefore, in the correct Lewis structure for CH4, the carbon atom is surrounded by four sigma bonds, with no unshared electron pairs.
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the sears tower in chicago is 1454 ft tall. how high is this in meters
Answer: It is 443.1792 high in Meters.
Explanation:
Mercury is an element that forms during _____
Answer:
forms of mercury
Explanation:
Answer:
Explanation:
Mercury is an element and a metal that is found in air, water, and soil.Mercury rarely occurs uncombined in nature, but can be found as droplets in cinnabar (mercury sulfide) ores. China and Kyrgyzstan are the main producers of mercury. The metal is obtained by heating cinnabar in a current of air and condensing the vapour.
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is Sulfuric Acid soluble if placed in water
Answer: Yes, sulfuric acid is highly soluble in water.
Explanation:
25. Which of the following correctly describes
density?
a. Density is a physical change
b. Density is a chemical change
c. Density is a physical property
d. Density is a chemical property
In order for the part to deform more naturally, ___________ elements should be used.
In order for the part to deform more naturally, small elements should be used.
What is SOLIDWORKS SimulationXpress?SOLIDWORKS SimulationXpress users have access to a simple first-pass stress analysis tool. SimulationXpress can assist you in reducing costs and accelerating time-to-market by evaluating your designs digitally as opposed to through expensive and time-consuming field trials.Stress analysis is carried out by SimulationXpress using the same simulation technology as SOLIDWORKS Simulation. Fixtures, loads, and material qualities all influence how accurately the findings are produced. How does SimulationXpress works?Using the part file you provided, SimulationXpress splits the entire component into straightforward triangular volumes, also known as elements, that are joined at common nodes. The sum of the elements known as mesh is used by the software to forecast how the part would behave.By changing the slider, SimulationXpress allows you to modify the element sizes in the mesh.Smaller elements typically allow for a more natural deformation, whereas bigger ones can overly stiffen the part.To learn more about SOLIDWORKS SimulationXpress visit:
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How is thermal energy distributed in most heating systems?
A.
convection
B.
conduction
C.
radiation
Answer:
By Convection
Explanation:
Write electron configurations for each of the following elements. Use the symbol of the previous noble gas in brackets to represent the core electrons.
1. Ga
2. As
3. Rb
4. Sn
The electron configuration for each of the following elements is provided below along with the symbol of the previous noble gas in brackets to represent the core electrons.1.
The electron configuration of an atom represents the distribution of electrons within the atom's atomic orbitals. Each electron shell is filled with electrons, beginning with the innermost shell, which is closest to the nucleus, and progressing outward. The symbol of the previous noble gas in brackets represents the core electrons.
The electron configuration of Ga, which has atomic number 31, is as follows: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p¹ (Ar)The electron configuration of As, which has atomic number 33, is as follows: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p³ (Ar)The electron configuration of Rb, which has atomic number 37, is as follows: 1s²2s²2p⁶3s²3p⁶4s¹ (Kr)The electron configuration of Sn, which has atomic number 50, is as follows: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p² (Kr)
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The pressure of Cl2 gas in a 2.0-L cylinder is 300. kPa at 25°C. What is the pressure (in kPa) when this gas is released into a 100-L chamber at 25°C? ______ kPa
The Final Pressure of the gas is 6 kPa
What is Boyle's Law ?At constant Temperature , the absolute pressure exerted by the gas is inversely proportional to the volume of the gas.
\(\rm P_1V_1 = P_2V_2\)
It is given that
\(\rm P_1 = 300k.Pa\\T_1 = 25 \; Degree\\V_1 = 2L\\V_2 = 100L\\T_2 = 25 Degree\\P_2 = ?\)
To determine Final Pressure , Boyle's Law will be applied
300 * 2 = P₂ * 100
P₂ = 300 * 2 / 100
P₂ =6 kPa
Therefore the Final Pressure of the gas is 6 kPa.
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Drag and drop each of the three molecular sizes to the location each would occur during the process of column chromatography.
The correct positions of the different molecular sizes within the column chromatography are as follows: Small molecules: Start, Intermediate molecules: Middle, and Large molecules: End
Chromatography is based on the principle where molecules in mixture applied onto the surface or into the solid, and fluid stationary phase (stable phase) is separating from each other while moving with the aid of a mobile phase.
During the process of column chromatography, the different molecular sizes will settle at different positions. The small molecules are going to travel through the column at a much slower pace than the larger molecules. The three molecular sizes involved in the process of column chromatography are the following:
i) Small molecules
ii) Intermediate molecules
iii) Large molecules
Now, we have to place these molecules in their respective positions. The following is a drag and drop table which shows the positions of each molecule within the chromatography process:
Molecule size Position
Small molecule Start
Intermediate molecule Middle
Large molecule End
Therefore, the correct positions of the different molecular sizes within the column chromatography are as follows:
Small molecules: Start Intermediate molecules: Middle Large molecules: End
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quizletbi/o life carcin/o cancer cardi/o heart chem/o chemical cis/o to cut dermat/o skin enter/o small intestine gastr/o
bi/o life carcin/o cancer cardi/o heart chem/o chemical cis/o to cut dermat/o skin enter/o small intestine gastr/o stomach
What is Stomach ?The J-shaped organ that digests food is the stomach. It generates acids and enzymes, which are molecules that cause chemical reactions (digestive juices). Food is broken down by this mixture of enzymes and digestive juices so that it may move to your small intestine. A portion of the gastrointestinal (GI) tract includes your stomach.
Storing food and releasing it to the intestines at a pace that allows the intestines to process it is the stomach's primary job. In order to expand the food's surface area in preparation for digestion, the stomach mixes and grinds the food into a finely split chyme.Learn more about Stomach here:
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What are the component of science?
What are the descriptions?
How does it form?
Hope you can answer properly
^_^ ❤☺
\( \large \text{Answer} \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \)
1.ans: observations, questions, hypothesis, methods and results are the five components of scientific method.
2.ans: written account of object.
3.ans: sry I didn't get
hope my 2 answers can help you ࿐❤
Answer:
1) Sience involves six kinds of components:
• Problems
• Attitudes
• Methods
• Activities
• Conclusions
• Effects
2) Knowledge is information or information that is known or realized by someone.
3) Science form:
• Direct knowledge (direct)
• Indirect knowledge (mediated)
• Sensory knowledge (perception)
• Conceptual knowledge (conceptual)
• Particular knowledge (special)
• Universal knowledge (universal)
Explanation:
I hope this help :)
a substance that resists changes in ph is referred to as a(n) _____.
A substance that resists changes in pH is referred to as a buffer.
What is a buffer?A buffer is a substance that resists changes in its pH when a small quantity of a strong acid or base is added to it.
Buffers are usually prepared from solutions of a weak acid and its conjugate base or a weak base and its conjugate acid.
Buffers are usually found in living organisms as they help living organisms maintain homeostasis.
Some of the buffers found in living organisms include:
the bloodthe bicarbonate bufferhemoglobin buffer,phosphate buffer, proteins,and ammonium buffer.The pH of a solution measures the acidity or basicity of the solution.
pH values less than 7 are acidic, while pH values greater than 7 are basic, A pH of 7 is neutral.
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(q028) sulfuric acid speleogenesis group of answer choices happens most often above the water table. occurs where limestone overlies strata rich in hydrocarbons. is responsible for the vast majority (greater than 80%) of all caves. occurs when microbes convert hydrogen sulfide gas into gypsum.\
Sulfuric acid speleogenesis occurs where limestone overlies strata rich in hydrocarbons, the correct option is D.
Sulfuric acid speleogenesis is the process of cave formation that occurs due to the dissolution of limestone by sulfuric acid. In this process, hydrocarbons are oxidized to produce sulfuric acid, which reacts with the limestone to dissolve it, leading to the formation of caves. This process is responsible for the formation of some of the largest caves in the world, such as Carlsbad Caverns in New Mexico and Mammoth Cave in Kentucky.
Sulfuric acid speleogenesis typically occurs in areas where hydrocarbons are present in the underlying rock layers, such as in oil-rich regions. It can also occur in areas where coal or other carbon-rich materials are present, the correct option is D.
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The complete question is:
Sulfuric acid speleogenesis:
Choose one:
A. occurs when microbes convert hydrogen sulfide gas into gypsum.
B. happens most often above the water table.
C. is responsible for the vast majority (greater than 80%) of all caves.
D. occurs where limestone overlies strata rich in hydrocarbons.
which electrophile is used to make acetophenone from benzene?
The electrophile that is used to make the acetophenone from the benzene is the CH₃CO⁺.
The Acetophenone is the carbonyl compound in which the the group called as the ketone group is attached directly to the benzene ring. The catalyst that is used in the production of the acetophenone is the anhydrous aluminum chloride. This type of the reaction is a type of the electrophilic substitution reaction. The Electrophiles are the electron-deficient species and that are attracted to the electron - rich center. The electrophiles will accepts the electron pair.
The electrophile is CH₃CO⁺ that is used in the production of the acetophenone from benzene.
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A 20.0 mL solution of NaOH is neutralized with 24.1 mL of 0.200 M HBr. What is the concentration of the original NaOH solution
Answer:
0.241 M
Explanation:
We'll begin by writing the balanced equation for the reaction. This is given below:
HBr + NaOH —> NaBr + H₂O
From the balanced equation above,
The mole ratio of acid, HBr (nₐ) = 1
The mole ratio of base, NaOH (n₆) = 1
Finally, we shall determine the concentration of the NaOH solution. This can be obtained as follow:
Volume of base, NaOH (V₆) = 20 mL
Volume of acid, HBr (Vₐ) = 24.1 mL
Concentration of acid, HBr (Cₐ) = 0.2 M
Concentration of base, NaOH (C₆) =?
CₐVₐ / C₆V₆ = nₐ/n₆
0.2 × 24.1 / C₆ × 20 = 1/1
4.82 / C₆ × 20 = 1
Cross multiply
C₆ × 20 = 4.82
Divide both side by 20
C₆ = 4.82 / 20
C₆ = 0.241 M
Therefore, the concentration of the NaOH solution is 0.241 M
which of the following would cause the molar mass calculated from freezing-point depression data to be greater than the true molar mass? select one: some of the solute was spilled on the lab bench when being added to the solvent. the true mass of the solvent is less than the measured mass of the solvent. some of the solute particles break apart. all of these. water is added to the solvent after the freezing point of the pure solvent is determined.
All of the listed options could potentially cause the molar mass calculated from freezing-point depression data to be greater than the true molar mass.
Ensuring Accurate Molar Mass Calculations Using Freezing-Point Depression DataAccurately calculating the molar mass of a substance is essential for many scientific experiments and processes. One method for doing this is by using freezing-point depression data. However, there are various factors that could lead to an inaccurate molar mass calculation when using this method. This includes:
Spilling some of the solute.Having a lower true mass of the solvent.Solute particles breaking apart, and adding water to the solvent.All of these could cause the molar mass calculated from freezing-point depression data to be greater than the true molar mass.
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The process due to which a solid directly changes into its vapours.
Help please
Answer:
Sublimation
Explanation:
Name the element: 1s2 252 2p 3s2 3p6 453 3d9
O Strontium Sr
O Krypton Kr
O Tungsten W
O Copper Cu
Silver Ag
Silicon Si
Answer:
Cu
Explanation:
The sublevel notation is
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹
The element is unknown;
To find the element, sum the superscipts because the indicate the electrons;
2 + 2 + 6 + 2 + 6 + 2 + 9 = 29
The element with 29 electrons is copper