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I H 1s1 II N 1s2 2s2 p3 III O 1s2 2s2 p4 IV Zn ... - JAMB Chemistry 2003 Question

I. H = 1s1 II. N = 1s2 2s2 p3 III. O = 1s2 2s2 p4 IV. Zn = 1s2 2s2 2p6 3s2 3p6 4s2 3d10
From the above, which of the following pairs is like to be paramagnetic?
A
I and II
B
I and III
C
I and IV
D
III and IV
correct option: a
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