InesBrumbaugh
Answered

What occurs when an atom of chlorine forms a chloride ion?

AThe chlorine atom gains an electron, and its radius becomes smaller.
BThe chlorine atom gains an electron, and its radius becomes larger.
CThe chlorine atom loses an electron, and its radius becomes smaller.
DThe chlorine atom loses an electron, and its radius becomes larger.

Verified Answer :

lulu1991

The answer is B. The chlorine has 7 electrons at the outer shell. So it will gain one electron to become stable when forms a chloride ion. And the gained electron will stay at the outer shell. So the radius becomes larger.

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