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How many atoms are present in a (i)...

How many atoms are present in a
(i) `H_(2)S` molecule and
(ii) `PO_(4)^(3–)` ion?

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(i) There atoms are present in a `H_(2)S` molecule.
(ii) Five atoms are present in a `PO_(4)^(3-)` ion.
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LAKHMIR SINGH & MANJIT KAUR-ATOMS AND MOLECULES-Exercise
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