A. Their outermost shells are fully filled
B. They are generally unreactive
C. Their outermost shells are partially filled
D. They have lone pair of
Correct Answer: Option A
A. Their outermost shells are fully filled
A. Their outermost shells are fully filled
B. They are generally unreactive
C. Their outermost shells are partially filled
D. They have lone pair of
Correct Answer: Option A
A. Their outermost shells are fully filled
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