Question

Match the atomic masses of the following:
(a) K (i) 55
(b) Mn (ii) 39
(c) O (iii) 16

(d) Mg (iv) 24.3

• A. a - (i), b - (ii), c - (iv), d - (iii)
• B. a - (ii), b - (iii), c - (i), d - (iv)
• C. a - (ii), b - (iv), c - (iii), d - (i)
• D. a - (ii), b - (i), c - (iii), d - (iv)

Answer 1

The correct option is D

a - (ii), b - (i), c - (iii), d - (iv)

Remember the atomic masses of as many atoms as possible. You will need them to calculate molecular mass of compounds.