Chemistry > 2013 > 7
WASSCE
The element with electron configuration 1s2 2s2 2p6 3s2 3p1 belongs to
A.
s-block, period 3, group 1
B.
p-block, period 3, group 2.
C.
s-block, period 3, group 3
D.
p-block, period 3, group 3
Answer: D
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