Which of the following accurately describes properties of valence?

A. The smaller the number of electrons an atom has to borrow or to lend, the greater the activity of the atom.
B. Metals tend to have a negative valence and tend to be electron borrowers.
C. The greater the number of electrons an atom has to borrow or to lend, the greater the activity of the atom.
D. Nonmetallic elements tend to have a positive valence and tend to be electron borrowers.

Question

21-06-2017
Physics

contestada

Which of the following accurately describes properties of valence?

A. The smaller the number of electrons an atom has to borrow or to lend, the greater the activity of the atom.
B. Metals tend to have a negative valence and tend to be electron borrowers.
C. The greater the number of electrons an atom has to borrow or to lend, the greater the activity of the atom.
D. Nonmetallic elements tend to have a positive valence and tend to be electron borrowers.

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ClarenceV ClarenceV · Answer 1 · 2017-06-21T21:07:49+02:00

ClarenceV ClarenceV

21-06-2017

The answer is A), 'the smaller the number of electrons an atom has to borrow or to lend, the greater the activity of the atom'.

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OlaMacgregor OlaMacgregor · Answer 2 · 2019-07-16T14:58:11+02:00

Answer: Option (A) is the correct answer.

Explanation:

Valence electrons are defined as the electrons present in the outermost shell of an atom.

Smaller is need for valence electrons to be borrowed or to lend more is the reactivity of an atom.

For example, atomic number of fluorine is 9 and its electronic distribution is 2, 7.

So, it just needs one more electron in order to gain stability. Therefore, it will be highly reactive in nature.

Thus, we can conclude that the smaller the number of electrons an atom has to borrow or to lend, the greater the activity of the atom, accurately describes properties of valence.