Of the following elements,which is most likely to form a negative ion with charge 1-?
A)Ba
B)Ca
C)Si
D)P
E)Cl

Question

Quizplus · Accepted Answer

Chlorine (Cl) is the most likely to form a negative ion with a charge of 1-, as it has only 1 valence electron and needs to gain one more electron to achieve a stable octet configuration. The other elements have a tendency to lose electrons to achieve a stable octet, forming positive ions.

Of the Following Elements,which Is Most Likely to Form a Negative