Question

Question 4 How many atoms are present in a (i) H2S molecule and (ii) PO4 3− ion?

Class 9 - Science - Atoms and Molecules Page 39

Answer 1

Heya !

Here is your answer =============================================================================

>> (i) Three atoms are present in H2S molecule.

(ii) Five atoms are present in a PO4 3 -ion.


Hope it helps !!! : )

Answer 2

HI SIR

____________________________________
i) 3 atom present in H2S molecule because two hydrogen and one sulpher.
____________________________________
ii) 5 atom present in PO4 3 -- ion.because one phosphorus and four oxygen .