WAEC - Chemistry (2013 - No. 7)
The element with electron configuration 1s\(^2\) 2s\(^2\) 2p\(^6\) 3s\(^2\) 3p\(^1\) belongs to
s-block period 3, group 1
p-block, period 3, group 2
s-block, period 3, group 3
p-block, period 3, group 3
Explanation
1s\(^2\) 2s\(^2\) 2p\(^6\) 3s\(^2\) 3p\(^1\) = 2, 8, 3.
The element is in period 3 and group 3.
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