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Chemistry CBSE Live product
Class 9
Atoms and molecules
PT2 Revision I - Atoms and molecules
7.
Atomicity
Question:
3
m.
Answer the following question:
State the number of atoms present in each of the following chemical species:
i.
Number of atoms present \(CO_3^{2-}\) is
1
8
3
4
.
ii.
Number of atoms present \(PO_4^{3-}\) is
5
1
8
3
.
iii.
Number of atoms present \(P_2O_5\) is
8
3
1
7
.
iv.
Number of atoms present \(CO\) is
2
1
8
3
.
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