Represent the following in terms of their formulae.
(a) 5 atoms of sodium
(b) 3 molecules of hydrochloric acid
(c ) 4 molecules of hydrochloric acid
(d) 10 moleculesof carbon monoxide
(e) 2 molecules of nitrogen dioxide

Explanation

(a) 5 Na (b) `3 O_(2)` (c ) 4HCl
(d) 10 CO (e) `2NO_(2)`