Question

What are the correct sets of Atomic masses (u) and Elements?

(i) N-14

(ii) Sulphur-34

(iii)Chlorine-36

(iv) Mg-24

(v) Cl-35.5

(vi) Oxygen-8

(vii)Na-23

• A. i, iv, v, vii
• B. vii, i, iii, ii
• C. ii, iii, v, vi
• D. iv, i, vi, vii

Answer 1

The correct option is A

i, iv, v, vii

Nitrogen-N-14, Sulphur-S-32, Chlorine-Cl-35.5, Magnesium-Mg-24, Oxygen-O-16, Sodium-Na-23.

The correct sets are i, iv, v, vii, So the option is (D).