If a compound begins with a metal, it most likely is a _______ compound

metallic

molecular

covalent

ionic

Answer:

Beta particles have a charge of minus 1.

Explanation:

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Answer:

MARK AS BRAINLIEST ANSWER

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Explanation:

Beta particles have a mass which is half of one thousandth of the mass of a proton and carry either a single negative (electron) or positive (positron) charge. As they have a small mass and can be released with high energy, they can reach relativistic speeds (close to the speed of light)

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Answer:

To gain stability

Explanation:

If the outermost shell is not completely filled with electrons, the element has one of the three options: gaining electrons, losing electrons or sharing electrons. By gaining or losing electrons, ionic compounds are produced. Sharing of electrons results in the formation of covalent compounds.

Answer:b

Explanation:

Answer:

The correct answer is The stages happens in the cytoplasm.

Explanation:

Explanation:Cellular respiration helps in the complete breakdown of carbohydrates basiclly glucose to form carbon dioxide,water and ATP molecules as energy source.Aerobic respiration consist of 3 principle steps

   The first step is called glycolysis which deals with the catabolism of  glucose into pyruvate by 10 enzymes catalyzed reactions.

      Glycolysis occurs in the cytoplasm as many of the glycolytic enzymes are present in the cytoplasm of the cell in which the glycolysis is occuring.

No, the volume of water in a beaker is not an extensive property.

Extensive properties are those that depend on the amount or size of the substance being measured. In other words, they are properties that change with the quantity of the substance. Examples of extensive properties include mass, volume, and total energy.

In the given scenario, the volume of water in the beaker is 50 milliliters. This volume remains the same regardless of the quantity of water present. Whether it's 50 milliliters or 500 milliliters, the volume measurement does not change. Therefore, the volume of water in the beaker is an example of an intensive property.

Intensive properties are independent of the amount or size of the substance. They are characteristics that remain constant regardless of the quantity of the substance. Examples of intensive properties include temperature, density, and color.

It's important to note that the distinction between extensive and intensive properties depends on the specific property being considered. While volume is typically an extensive property for a bulk substance, in the case of a fixed volume of water in a beaker, it becomes an intensive property.

In summary, the volume of water in a beaker is not an extensive property but rather an intensive property because it does not change with the quantity of the substance.

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a derived unit is a unit derived by fundamental units of lengths ,mass and time

so measurements

The Lewis structure of the fulminate ion (CNO-) and possible resonance forms are shown below:

Explanation: The atomic numbers of carbon, nitrogen, and oxygen are 6, 7, and 8, respectively. As a result, carbon has 4 valence electrons, nitrogen has 5, and oxygen has 6 valence electrons. The overall number of valence electrons is calculated by adding up the valence electrons of each atom in the molecule.

Lewis Structures of Fulminate Ion

Step 1:Calculation of the total valence electrons available

The total valence electrons of carbon, nitrogen, and oxygen can be calculated as follows:

Carbon: 4 valence electrons

Nitrogen: 5 valence electrons

Oxygen: 6 valence electrons

Total valence electrons: 4 + 5 + 3(6) + 1 (charge) = 26

Step 2: Determination of the central atom and determination of the structure type The atom with the lowest electronegativity value is usually the central atom. Carbon is the central atom because it has the lowest electronegativity value. Fulminate ion (CNO-) is a trigonal planar structure.

Step 3: Drawing the structure The skeletal structure of the fulminate ion (CNO-) is shown below. The negative charge is assigned to the nitrogen atom, and three single bonds are formed between the carbon, nitrogen, and oxygen atoms.

Step 4: Filling in the lone pairs In a Lewis structure, atoms want to have a full valence shell. Therefore, nitrogen and oxygen atoms each have one lone pair of electrons

Step 5: Formal charges The formal charges are calculated using the formula:

FC = (number of valence electrons on the neutral atom) - (number of lone pair electrons) - (number of bonds).Formal charges on nitrogen

= 5 - 4 - 2 = -1

Formal charges on carbon = 4 - 0 - 3 = +1

Formal charges on oxygen = 6 - 2 - 1 = +3

The sum of the formal charges on the molecule should equal the total charge on the molecule. The sum of the formal charges of the fulminate ion is -1 +1 +3 = +1, which equals the total charge on the ion

.Step 6: Resonance structureThe fulminate ion (CNO) has two possible resonance structures.

The first resonance structure occurs when the double bond is located between the nitrogen atom and the oxygen atom and the negative charge is located on the nitrogen atom.

The second resonance structure has the double bond located between the carbon and nitrogen atoms, and the negative charge is on the oxygen atom.

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Answer:

It changed do to storage into a actual shelf

Explanation:

where is the answer BOZO

The correct statements are that a rock is considered an ore when it contains at least one metallic mineral in sufficient amounts to be extracted profitably and when it contains fluorite or sulfur minerals in sufficient amounts to be extracted profitably.

When it contains at least one metallic mineral in sufficient amounts to be extracted profitably.

When it contains fluorite or sulfur minerals in sufficient amounts to be extracted profitably.

Step-by-step explanation:

When it occurs in sufficient amounts to be used to build roads and buildings: This statement is incorrect. Rocks that are used for construction purposes, such as limestone or sandstone, are not considered ores unless they also contain economically valuable minerals.

Only when it contains lead: This statement is incorrect. Ores are not limited to containing only lead. Ores can contain various metallic minerals, not just lead.

When it contains at least one metallic mineral in sufficient amounts to be extracted profitably: This statement is correct. Ores are rocks that contain valuable metallic minerals in concentrations that make extraction economically feasible. These minerals can include gold, silver, copper, aluminum, zinc, and many others.

Only when it contains iron: This statement is incorrect. While iron ores are commonly known and widely used, ores are not limited to containing only iron. There are numerous other metallic minerals that can be extracted profitably from rocks.

When it contains fluorite or sulfur minerals in sufficient amounts to be extracted profitably: This statement is correct. Fluorite and sulfur are examples of non-metallic minerals that can be extracted profitably from rocks, and if a rock contains these minerals in sufficient quantities, it can be considered an ore.

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The cycle of citric acid Hydrogen atoms are transported to FAD during the conversion of succinate to fumarate. This process is catalyzed by a succinate dehydrogenase enzyme.

During the process of succinate dehydrogenation, succinate is oxidized to fumarate by losing electrons, which are transferred to FAD, reducing it to FADH2. This transfer of electrons from succinate to FAD is an oxidation-reduction reaction, also known as redox reaction. The energy released during this reaction is harnessed to generate ATP, which is an important energy currency for the cell. Succinate dehydrogenase is an enzyme complex that contains multiple subunits and cofactors, including flavin adenine dinucleotide (FAD) and iron-sulfur clusters. It is located in the inner mitochondrial membrane, which allows it to transfer electrons to the electron transport chain, leading to the production of ATP. It's important to note that the citric acid cycle is a crucial metabolic pathway that takes place in the mitochondria of eukaryotic cells, and it is also known as the TCA cycle or Krebs cycle. The cycle is a series of chemical reactions that converts acetyl-CoA, derived from carbohydrates, fats, and proteins, into carbon dioxide and water, releasing energy in the form of ATP, hydrogen atoms other high-energy molecules.

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The electron started in the second energy level (n₁ = 2) before transitioning to the third level.

To determine the initial level of the electron in a hydrogen atom, we can use the Rydberg formula, which relates the wavelength of a photon emitted or absorbed during an electron transition to the energy levels in hydrogen:

1/λ = R * (1/n₁² - 1/n₂²)

Where, λ is the wavelength of the photon,

R is the Rydberg constant (approximately 1.097 x 10^7 m^-1),

n₁ is the initial energy level,

n₂ is the final energy level.

Given that, the wavelength of the emitted photon is 1,094 nm (or 1.094 x 10^-6 meters) and the electron transition occurs to the third level (n₂ = 3), we can substitute these values into the formula and solve for n₁:

1/λ = R * (1/n₁² - 1/n₂²)

1/(1.094 x 10^-6) = 1.097 x 10^7 * (1/n₁² - 1/3²)

Simplifying the equation:

1.094 x 10^6 = 1.097 x 10^7 * (1/n₁² - 1/9)

1/n₁² - 1/9 = (1.094 x 10^6) / (1.097 x 10^7)

1/n₁² - 1/9 ≈ 0.0997

1/n₁² ≈ 0.0997 + 1/9

1/n₁² ≈ 0.1997

n₁² ≈ 1 / 0.1997

n₁² ≈ 5.004

n₁ ≈ √5.004

n₁ ≈ 2.24

Therefore, the electron started in the second energy level (n₁ = 2) before transitioning to the third level.

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Answer:

c. alcohol

Explanation:

Alcohol is -OH

Ether is -OR

Ester is O=C-OR

Aldehyde is O=C-H

- Only alcohol fits

Alcohol is the type of organic compound is represented by the structural formula.

This can be defined as the type of organic compound that carries at least one hydroxyl functional group (−OH) bound to a saturated carbon atom.

The hydroxyl group(OH) is attached to a Carbon atom in the diagram which depicts features of an Alcohol.

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The order of the atomic radius is;  

1) Potassium, Aluminum, Carbon,  Oxygen

2)  Potassium, Aluminum, Carbon, Oxygen

We know that the atomic radius has to do with the distance between one atom and another in that are not covalently combined. We know that the atomic radius is a function of the group to which the atom belongs.

We know that the atomic radius increases down the group but would tend to decrease across the period as more shells are added to the atom of the element.

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Answer:

Because the moon's path is predictable

Explanation:

The moon affects the tides

To determine the number of particles in 13.2 moles of N2O4, we need to use Avogadro's number, which states that there are approximately 6.022 × 10^23 particles (atoms, molecules, or formula units) in one mole of any substance.

N2O4 has a molar mass of 92.02 g/mol.

First, let's calculate the number of moles of N2O4 in 13.2 moles:

Number of moles of N2O4 = 13.2 moles

Next, we can use the molar mass of N2O4 to convert moles to grams:

Mass of N2O4 = Number of moles × Molar mass

Mass of N2O4 = 13.2 moles × 92.02 g/mol

Now, we can convert the mass of N2O4 to the number of particles using Avogadro's number:

Number of particles = Mass of N2O4 / Molar mass × Avogadro's number

Number of particles = (13.2 moles × 92.02 g/mol) / (92.02 g/mol) × (6.022 × 10^23 particles/mol)

Calculating this expression:

Number of particles = 13.2 × (6.022 × 10^23) = 7.954 × 10^24 particles

Therefore, there are approximately 7.954 × 10^24 particles in 13.2 moles of N2O4.

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Answer: well I don’t have either picture but here goes anyway. It could be that the suns rotation matched up with the moon being 400 miles away from it and 400 times bigger it could be in image 1 the sun is only at a partial eclipse. With no images kinda had to wing it but I hope it helps :D

A lunar eclipse is an event that occurs when the sun, moon, and earth are aligned. It is happening in image 2 as Earth is obstructing the sun’s light.

In lunar eclipse Earth completely covers the surface of the moon which makes the surface look red and dark. It happens only when the Moon is opposite the sun in the sky.

It is not seen in the first image as the earth is incapable of totally blocking the sunlight and hence does not result in a lunar eclipse. In the second image, the Earth has covered the whole surface of the moon and hence is blocking the sunlight.

Therefore, a lunar eclipse is seen only in image 2.

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Answer:

w

Explanation:

w

Chemical formula of acetaminophen is C₈H₉NO₂, this drug is also called as paracetamol and is used as a pain killer or an analgesic.

Chemical  formula is a way of representing the number of atoms present in a compound or molecule.It is written with the help of symbols  of elements. It also makes use of brackets and subscripts.

Subscripts are used to denote number of atoms of each element and brackets indicate presence of group of atoms. Chemical formula does not contain words. Chemical formula in the simplest form  is called empirical formula.

It is not the same as structural formula and does not have any information regarding structure.It does not provide any information regarding structure of molecule as obtained in structural formula.

There are four types of chemical formula:

1)empirical formula

2) structural formula

3)condensed formula

4)molecular formula

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Mothballs are made of naphtalene. The chemical structure of naphthalene is formed by two benzene rings, which gives this substance the classification of an aromatic compound.

The active principle of naphthalene is explained by a very interesting physical characteristic: sublimation, which is defined as the direct transition from a solid to a gaseous state. Once sublimated, naphthalene appears as a toxic vapor for undesirable microorganisms.

So, when a bag of mothballs is opened, they will sublime. So the molecules will not be able to come back to the bag, because they're in the gaseous state, which is too difficult for us to "pick up" the molecules of mothballs again and place them in their bag again.

It is like picking up water vapor, it is impossible.

Answer: Alternative "D"

1 mole is equal to 6.023 × 10 ²³ molecules. 9.033 × 10²² molecules are in 0.150 mol NaCl.

The term mole is defined as the amount of substance of a system which contains as many elementary entities.

1 mole is equal to 6.023 × 10 ²³ molecules.

One mole of any substance is equal to 6.023 × 10²³ units of that substance such as atoms, molecules, or ions. The number 6.023 × 10²³ is called as Avogadro's number or Avogadro's constant.

It is given that,

Number of moles (n) = 0.15

We need to find the number of particles in 0.15 mol of NaCl.

Let N are the number of particles i.e.

Number of particles = number of moles × Avagadro's number

N = n × NA

N = 0.150 × 6.023 × 10²³

= 9.033 × 10²²

Thus, 9.033 × 10²² molecules are in 0.150 mol NaCl.

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Answer:

compound identification is unknown B

Explanation:

It is not possible to determine whether the two compounds you have described are the same or not based on the information provided. The percentage of each element in a compound can be used to determine the compound's empirical formula, but it does not necessarily give information about the compound's molecular structure or identity.

For example, two compounds could have the same empirical formula (i.e., the same proportions of elements) but have different molecular structures, resulting in different chemical and physical properties. Alternatively, two compounds could have different empirical formulas but the same molecular structure, resulting in the same chemical and physical properties.

Without more information about the chemical and physical properties of the compounds, it is not possible to determine whether they are the same or not.

Answer:

Its the thin lining around the cell the moniters what gets in and out of the cell.

Explanation:

The text discusses the issue of global warming caused by the release of greenhouse gases, primarily from human activities such as burning fossil fuels and deforestation. It highlights the potential consequences of rising temperature.

The greenhouse effect explains how heat is trapped at the Earth's surface by "greenhouse gases." You may think of these heat-trapping gases as a blanket keeping the Planet warmer than it otherwise would be.

Water vapour, carbon dioxide, methane, and other airborne gases all contribute to the greenhouse effect, which warms the Earth's surface and troposphere (lowest layer of the atmosphere).

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Answer:

Genome

Explanation:

Answer:

Think about where you're located on the globe. That'll tell you your answer

Explanation:

Nonelectrolytes do not conduct electricity. Weak electrolytes partially dissociate into ions and have limited conductivity. Strong electrolytes completely dissociate into ions and have high conductivity. Among the given options, option (c) with 0.015 M NaCl is expected to have the smallest conductance due to its lower concentration of ions.

The terms "nonelectrolytes," "weak electrolytes," and "strong electrolytes" refer to the ability of a substance to conduct electricity when dissolved in water (or any other suitable solvent).

1. Nonelectrolytes:

Nonelectrolytes are substances that do not conduct electricity when dissolved in water. They exist as molecules in their solid or liquid form and do not dissociate into ions when dissolved. Examples of nonelectrolytes include sugar (sucrose), alcohol (ethanol), and most organic compounds. Since they do not produce ions, they cannot carry an electric current.

2. Weak electrolytes:

Weak electrolytes are substances that partially dissociate into ions when dissolved in water. They conduct electricity to a limited extent. In a solution of a weak electrolyte, only a small fraction of the molecules dissociate into ions, while the majority remain in molecular form. Weak acids and weak bases are common examples of weak electrolytes. An example is acetic acid (CH₃COOH), which partially dissociates into hydrogen ions (H+) and acetate ions (CH₃COO⁻) in water.

3. Strong electrolytes:

Strong electrolytes are substances that completely dissociate into ions when dissolved in water. They are excellent conductors of electricity. In a solution of a strong electrolyte, all or nearly all of the solute molecules break apart into ions. Strong acids (e.g., hydrochloric acid, HCl) and soluble ionic compounds (e.g., NaCl, KNO₃) are examples of strong electrolytes.

Now, considering the given options:

(a) 0.060 M NaCl

(b) 0.030 M NaCl

(c) 0.015 M NaCl

NaCl is an ionic compound, and when dissolved in water, it completely dissociates into Na+ and Cl- ions, making it a strong electrolyte. The conductivity of an electrolyte solution is directly proportional to the concentration of ions present. Therefore, the solution with the highest concentration of ions will have the highest conductance.

Among the given options, option (a) with a higher concentration of NaCl (0.060 M) is expected to have the highest conductance. Option (b) has a lower concentration (0.030 M), and option (c) has the lowest concentration (0.015 M). Hence, option (c) with the lowest concentration of NaCl is expected to have the smallest conductance.

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I believe that the answer is

A) Neutrons

I hope this helps you ^-^

Answer:

neutrons

Explanation:

The atomic ratio of carbon to oxygen in carbon monoxide (CO) is 1:1, and the atomic ratio of carbon to oxygen in carbon dioxide (CO₂) is 2:1.

Firstly, we can analyze the decomposition of carbon monoxide (CO) and carbon dioxide (CO₂) to determine the atomic ratios involved.

Let's denote the atomic ratio of carbon to oxygen in carbon monoxide as x, and the atomic ratio of carbon to oxygen in carbon dioxide as y.

According to the given data;

Decomposition of carbon monoxide (CO);

Oxygen produced = 3.36 g

Carbon produced = 2.52 g

We know that the atomic mass of carbon is 12 g/mol, and the atomic mass of oxygen is 16 g/mol. Using these values, we can calculate the number of moles for each element;

Number of moles of oxygen = mass / atomic mass = 3.36 g / 16 g/mol = 0.21 mol

Number of moles of carbon = mass / atomic mass = 2.52 g / 12 g/mol = 0.21 mol

Since the atomic ratio of carbon to oxygen in carbon monoxide is x, we can write the following equation;

0.21 mol C / (0.21 mol O) = x

Simplifying the equation, we have;

x = 1

Therefore, the atomic ratio of carbon to oxygen in carbon monoxide is 1:1.

Decomposition of carbon dioxide (CO₂);

Oxygen produced = 9.92 g

Carbon produced = 3.72 g

Following the same calculations as before;

Number of moles of oxygen = mass / atomic mass = 9.92 g / 16 g/mol = 0.62 mol

Number of moles of carbon = mass / atomic mass = 3.72 g / 12 g/mol = 0.31 mol

Since the atomic ratio of carbon to oxygen in carbon dioxide is y, we can write the following equation;

0.31 mol C / (0.62 mol O) = y

Simplifying the equation, we have;

y = 0.5

Therefore, the atomic ratio of carbon to oxygen in carbon dioxide is 1:0.5, which can be simplified to 2:1.

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--The given question is incomplete, the complete question is

"Missed this? watch kcv: atomic theory; read section 2.3. you can click on the review link to access the section in your text. carbon and oxygen form both carbon monoxide and carbon dioxide. when samples of these are decomposed, the carbon monoxide produces 3.36 g of oxygen and 2.52 g of carbon, while the carbon dioxide produces 9.92 g of oxygen and 3.72 g of carbon. Calculate the atomic ratio of carbon to oxygen in carbon monoxide, and carbon dioxide."--

Answer:

C

Explanation:

CH3COOH

ethanoic acid

Answer:

C: CH3COOH

Explanation:

An organic acid (acetic acid) - a carboxylic acid has a functional group of:

R - COOH

Answer:

A

Explanation:

The answer is A) because the A container has tightly packed molecules but not as tight as C so that means A is liquid, and C is a solid which makes B a gas

Answer:

The answer would be A

Explanation:

because in the first picture Liquid could be in many shapes like If I put water in my water bottle it would be the same shape as the water bottle.

In the third picture, the solid molecules will always be so close to each other like they will be stick to each other.

In the second picture, It will be separate always, as it cant stick to each other.

I hope I helped you!!!!

:)

Answer:

Explanation:

The density of a substance can be found by using the formula

\(density = \frac{mass}{volume} \\\)

From the question

mass = 4.85 kg

volume = 280 cm³

We have

\(density = \frac{4.85}{280} \\ = 0.01732...\)

We have the final answer as

Hope this helps you