These models show the electron structures of two different nonmetal elements.

Chemistry

1 answer:

Soloha48 [4]2 years ago

4 0

Answer: Option (D) is the correct answer.

Explanation:

Valence shell is the shell present on the outermost core of an atom and electrons present in the valence shell are known as valence electrons.

If an atom has completely filled valence shell then it means the atom is not reactive in nature because it is already stable.

But when an atom has less than eight electrons in its valence shell then it means to attain stability the atom will readily attract electrons towards itself.

As the given element 1 has 8 electrons in its valence shell. Hence, it is not reactive in nature but element 2 has 6 valence electrons. So, in order to attain stability element 2 will readily attract 2 electrons from a donor atom.

Thus, we can conclude that element 2 is more reactive because it does not have a full valence shell, so it will attract electrons.

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Could a mixture be made up of only elements and no compounds. explain

lbvjy [14]

Yes, because a mixture is 2 or more substances that are mixed together (not chemically). A mixture could be two different elements physically combined in a set ratio.

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2 years ago

The complete balanced equation for the reaction between zinc hydroxide and<br> acetic acid is

kicyunya [14]

Answer:

Zn(OH)2 + 2CH3COOH -----> Zn(CH3COO)2 + 2H2O

Explanation:

Zn(OH)2 + 2CH3COOH -----> Zn(CH3COO)2 + 2H2O

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Ionic bonds Select one: a. result from sharing electrons. b. result from transferring electrons. c. result from like charge attr

Naddika [18.5K]

<h2>Ionic bonds result from transferring of electrons</h2>

Explanation:

Ionic bonds result from transferring of electrons.
An ionic bond is also referred to as an electrovalent bond.
The main reason for the formation of the bond is an electrostatic attraction between oppositely charged ions that are cation and anion in a chemical compound.
The formation of such bonds occurs when the valence (outermost) electrons of one atom are transferred to another atom or the loss of electrons from one atom and gain of electrons of another atom.
The atom that loses the electrons forms cation that is a positively charged ion.

The atom that gains electrons forms an anion that is a negatively charged ion.

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2 years ago

How does carbon exist in the atmosphere?

maks197457 [2]

Answer:

Carbon is found in the atmosphere mostly as carbon dioxide. Animal and plant respiration place carbon into the atmosphere. When you exhale, you are placing carbon dioxide into the atmosphere. Carbon is found in the lithosphere in the form of carbonate rocks. Carbonate rocks came from ancient marine plankton that sunk to the bottom of the ocean

Explanation:

hope this helps

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2 years ago

What mass of bromine reacts with 16.2 g of aluminium?

Goshia [24]

For every, 3 Br- ions, 1 Al3+ ion reacts to form AlBr3.

Convert 16.2g of aluminum to moles:

16.2g Al / 27.0g per mol = 0.60 mols.

Based on the above ratio, 0.60 mols of Al will react with 1.8 mols of Br.

Convert 1.8 mols of Br to its mass:

1.8 mols Br × 79.9g per mol = 143.82g of Br.

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2 years ago