Question

how about oxygen atoms?
altogether, how many atoms are present?​

Answer 1

Answer:

× 1027 hydrogen atoms, 2 × 1027 oxygen atoms, 3 × 1026 carbon atoms.

Answer 2

AnSWer:-

In an oxygen atom there are 6 atoms present in its valance shell with its valency being 2 (i.e. 8-6)