A. are chemically active
B. contain equal number of protons and neutrons
C. contain more electrons than protons
D. have octet structures
Correct Answer: Option D
D. have octet structures
A. are chemically active
B. contain equal number of protons and neutrons
C. contain more electrons than protons
D. have octet structures
Correct Answer: Option D
D. have octet structures
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