Which element is most likely to form an ion with a charge of 2+?
A) Rb
B) Al
C) F
D) S
E) Ca

Name: Which element is most likely to form an ion with a charge of 2+? A) Rb B) Al C) F D) S E) Ca
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Question

Quizplus · Accepted Answer

Ca (calcium) is most likely to form an ion with a charge of 2+ because it has two valence electrons that it can lose to achieve a stable octet electron configuration. The other options either have fewer valence electrons or would have to gain electrons to form an ion with a 2+ charge.

Which Element Is Most Likely to Form an Ion with a Charge