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How many atoms are present in a (i) H2S molecule and (ii) PO4^3- ion?

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+1 vote
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asked Nov 4, 2017 in Chemistry by jisu zahaan (28,760 points) ● 26 ● 374 ● 805

How many atoms are present in a 

(i) H2S molecule and 

(ii) PO4 3- ion?

1 Answer

+2 votes
answered Nov 4, 2017 by sforrest072 (157,439 points) ● 60 ● 409 ● 933
selected Nov 5, 2017 by sarthaks
 
Best 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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