Question

(A) Write the number of atoms present in
(a) SO2 molecule
(b) SO42-
(B) Write down the chemical formulae of
(a) Magnesium nitride
(b) Calcium nitrate
(c) Sodium nitrite

Answer 1

Answer:

(A)

(a)S=1,O=2

(b)S=2,O=8

(B)

(a)Mg3N2

(b)Ca(NO3)2

(c)NaNO3

Explanation:

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