Question

4. How many atoms are present in a
(i) H S molecule and
(ii) PO 3-ion?
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Answer 1

$\huge \fbox \red{❥ Answer}$

i) In an H2S molecule three atoms are present; two of hydrogen and one of sulphur.

ii) In a PO43- ion five atoms are present; one of phosphorus and four of oxygen.

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