Which of these electronic configurations is nonmetallic?
A. 2, 8, 3
B. 2, 8, 4
C. 2, 8, 5
D. 2, 8, 1
Answer: Option C
A. 2, 8, 3
B. 2, 8, 4
C. 2, 8, 5
D. 2, 8, 1
Answer: Option C
Red phosphorus is less reactive than yellow phosphorus because
A. it is red in colour
B. it is highly polymerised
C. it is insoluble in C2H5OH
D. it is hard
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