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Molecules and Atomicity

Give an examp...

Question

Give an example in each of the foll.
a) a divalent poly atominc anion
b) a trivalent monoatomic cation
c) a monovalent diatomic anion

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Solution

a)Dichromate Cr2O7^2- b)Aluminium Al^3+ c)Nitrogen N2

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