Answers

2015-05-13T17:17:06+05:30
In an H2S molecule, three atoms are present; two of hydrogen and one of sulphur
In a PO4 3− ion, five atoms are present; one of phosphorus and four of oxygen....


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2015-05-13T17:58:51+05:30
(i) in H2S three atoms are present, one of sulphur ,two of hydrogen.
(ii)in PO43- ion has 5 atoms , one of phosphorous ,four of oxygen.
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