A bond exists between A and B in the compound AB. A and B are sharing electrons. The type of bond is ____

Answers

Answer 1

Answer:

Answer: Covalent

Explanation:

A covalent bond is formed when an element shares its valence electron with another element. This bond is formed between two non metals. Example: $H_2$

An ionic bond is formed when an element completely transfers its valence electron to another element. The element which donates the electron is known as electropositive element and the element which accepts the electrons is known as electronegative element. This bond is formed between a metal and an non-metal. Example: $NaCl$

Thus bond formed by sharing of electrons is covalent bond.

Answer 2

Answer: They are covalent bonds.
Covalend bonds share
Ionic bonds transfer

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Which of the following would you expect to form an ionic bond when combined?. . .A. Ca and O. .B. N and O. C. Ca and Mg. . D. N and He

Answers

Ionic bonding is defined as the total transfer of valence electrons between atoms. What happens in ionic bonding is that a metal loses electrons to become a positive charged cation. On the other hand, the nonmetal receives those electrons to become a negatively charged anion. From the given choices above, the option that you would expect to form an ionic bond when combined is option A. Ca and O.

Heat, like work, is an energy transfer measured in

Answers

Heat, like work, is an energy transfer measured in:

joules.......I hope this helps

A student is examining an object in science class. It is pale yellow,brittle solid, with no shine. The sample is most likely a—

Answers

Answer: non metal

Explanation:

Nonmetals are dull, possess high ionization energies and electronegatives and are typically poor electricity conductors as they're insulators.

Non metals are also brittle and possess low melting point. Therefore, with the explanation, the sample is most likely a non metal.

Final answer:

The sample described is most likely a sulfur solid.

Explanation:

The sample described in the question, which is pale yellow, brittle, and has no shine, is most likely a sulfur solid. Sulfur is a chemical element that is commonly found in its solid form and has a pale yellow color. It is brittle, meaning that it shatters easily upon impact, and it does not have the characteristic shine that metals have.

Learn more about Characteristics of sulfur solids here:

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1.94 grams of magnesium to moles

Answers

Answer:

0.0798 mol Mg

Explanation:

a) divide the number of grams of magnesium by the molar mass of magnesium found on the periodic table

1.94g Mg/(24.31g Mg/mol Mg)=0.0798 mol Mg

Water is dissolved into n-butanol (a polar liquid). Which is the second step at the molecular level as water dissolves into n-butanol?n-Butanol mixes with water.

Water molecules are carried into n-butanol.

n-Butanol molecules surround water molecules.

n-Butanol molecules are attracted to the surface of the water molecules.

Answers

The steps of solubility of water in N-butanol is as follows:1. N-butanol molecules are attracted to the surface of the water, 2. N-butanol molecules surround water molecules, 3. Butanol mixes with water and 4. Water molecules are carried into N-butanol.

Water is dissolved into n-butanol (a polar liquid). The second step at the molecular level as water dissolves into n-butanol is n-Butanol molecules surround water molecules.

What is dissolving?

Dissolving is a process of fully mixing of the solute into a solvent. When there molecules of solute and the molecules of solvent mixed and there is no difference between them.

Thus, the correct option is C, n-Butanol molecules surround water molecules.

Learn more about dissolving

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What is the average kinetic energy of 1 mole of a gas that is at 100 degrees Celsius?

Answers

To simplify our solutions, we have to assume that the gas we are referring is ideal. The kinetic energy of of ideal gas is a funtion of moles and temperature only.
KE = (3/2)(nRT)
= (3/2)(1mol)(8.314J/molK)(100+273.15) = 4204.6J

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