Question

How many atoms are present in a


(a) H2S molecule and

(b) P0 3- ion?​

Answer 1

Answer:

H2S molecule has two atoms of hydrogen and one atom of sulphur, so the number of atoms in this molecule is 2+1= 3. Hence, there 5 atoms are present in PO3−4 ions and 3 atoms present in H2S molecules. Note- The chemical name of PO3−4 is phosphate ion.

Explanation:

In an H2S molecule, three atoms are present in total.

PO43- ion has 1 atom of phosphorus and 4 atoms of oxygen hence 5 atoms in totality. molecule has 2 atoms of hydrogen and 1 atom of sulphur hence 3 atoms in totality.

Answer 2

Explanation:

(i) H2S

The structure of Hydrogen sulfide is similar to that of water. In an H2S molecule, three atoms are present in total. Amongst three two are of hydrogen and one of sulphur.

(ii) PO43-

PO43- is a chemical derivative of phosphoric acid with a chemical name Phosphate. In a PO43-ion, five atoms are present in total. Amongst five one is of phosphorus and four atoms are of oxygen.