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Give the formulae of the compounds that would be formed by the combination of the following pairs of elements:
CBSE | Chemistry | Class 10 | Exercise 1 | Lakhmir Singh | Metals and Non Metals
Give the formulae of the compounds that would be formed by the combination of the following pairs of elements:

(a) Mg and N2

(b) Li and O2

Solution:

(a) Mg3N2

(b) Li2O

A formula is a representation of a compound using symbols for each of its constituent parts. (a) Mg interacts with N2 to generate Mg3N2 (magnesium nitrate). (b)Li2O is formed when Li and O2 react (lithium dioxide).

i

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