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ScienceCLASS 9CBSE

answered 27 Mar 2026

How many atoms are present in a (i) H2S molecule and (ii) PO43- ion?

A.VERIFIED ANSWERfact-checked by tutors

Solution:

The number of atoms present is as follows:

(i) H₂S molecule has 2 atoms of hydrogen and 1 atom of sulphur hence 3 atoms in total.

(ii) PO₄^3- ion has 1 atom of phosphorus and 4 atoms of oxygen hence 5 atoms in total.

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