CBSE Class 9 Answered
(i)Give an example each of a monoatomic and a polyatomic element.
(ii)How many atoms are present in CaCl2 molecule and SO42- ion?
Asked by Topperlearning User | 09 May, 2014, 10:43: AM
Expert Answer
(i) Monoatomic element - Carbon
Polyatomic element - Sulphur
(ii) CaCl2 : atomicity - 3
SO42- : atomicity - 5
Answered by | 09 May, 2014, 12:43: PM
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