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I. H = 1s1 II. N = 1s2 2s2 p3 III. O = 1s2 2s2 p4...

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 answer is A

Paramagnetic materials are materials that tend to get weakly magnetized in the direction of the magnetizing field when placed in a magnetic field.
 Examples: Copper, gold, antimony, bismuth, silver, lead, silicon, mercury, water, air, hydrogen, nitrogen, etc