Based on the group valency of elements state the formula lot the following giving justification for each : (i) Oxides of 1st group elements, (ii) Halides of the elements of group 13, and (iii) Compounds formed when an element of group 2 combines with, an element of group 16.

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Answers

2016-02-27T23:17:13+05:30
(I)X2O - Oxides of 1st group element.
(iii)XY - compounds of group 2 and group 16.
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