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ioda
3 years ago
6

Which statement is true? 1. The electronegativity of an atom depends only on the value of the ionization energy of the atom. 2.

Atoms with high ionization energies and high electron affinities are highly electronegative. 3. Atoms with low ionization energies and low electron affinities have high electronegativities. 4. The electronegativity of an atom is defined as 1 2 (Electron Affinity) of the atom. 5. Atoms with high ionization energies and high electron affinities have low electronegativities.
Chemistry
1 answer:
lisov135 [29]3 years ago
6 0

Answer:

5. Atoms with high ionization energies and high electron affinities have low electronegativities.

Explanation:

Ionization energy is the minimum amount of energy which is required to knock out the loosely bound valence electron from the isolated gaseous atom.

Electron affinity is the amount of energy released when an isolated gaseous atom accepts electron to form the corresponding anion.

Electronegativity is the tendency of an atom in a bond pair to attract the shared pair of electron towards itself.

Low ionization energies as well as low electron affinities mean the atom has low effective nuclear charge, which results in the less attraction of the valence electrons by the atom and thus, low electronegativity.

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8 0
3 years ago
2 CuCl2 + 4 KI → 2 CuI + 4 KCl + I2
Margaret [11]

Answer: 6.75 moles

Explanation:

This is a simple stoichiometry proboe. that I would set up like this:

(13.5 moles CuCI2) (1 mol I2 / 2 moles CuCi2)

That means you all you have to do for this problem is divide by 2 and cancel out the unit moles CuCI2, which leaves you with 6.75 moles I2.

Hope this helps :)

7 0
3 years ago
Refer to the following illustration to answer this Question.
ad-work [718]

Answer:

Option (B) It separates the hydrogen ion (H+) from the chlorine ion (Cl–).

Explanation:

The reaction above simply illustrate the dissociation of HCl when dissolve is water.

When HCl is dissolved in H2O, it will separate into the hydrogen ion, H+ and chloride ion Cl- as shown below

HCl —> H+ + Cl-

The water help to separate the H+ from the Cl-

4 0
3 years ago
HELP!!!!!!!! 15 points and BRAINLIEST
kari74 [83]

Answer:

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Explanation:

4 0
2 years ago
Which describe a molecules (select all that apply)a) It can be two or more of the same elements combine together.b) It can be th
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combinedAnswer

It can be two or more of the same elements combine together

It can be two or more different elements combined

Step-by-step explanation:

A molecule is a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance.

A molecule can also be two or more different elements combined.

7 0
1 year ago
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