what is the valency of 16s and 19ar
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They belong to the group of inert or noble gases. (ii) 20Ca and 4Be are the two elements that belong to group 2 of the periodic table. This is because their valency is 2 and they are electropositive. (iii) 8O (2,6) and 16S (2,8,6) are the two elements that belong to group 16 of the periodic table.
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Explanation:
They belong to the group of inert or noble gases. (ii) 20Ca and 4Be are the two elements that belong to group 2 of the periodic table. This is because their valency is 2 and they are electropositive. (iii) 8O (2,6) and 16S (2,8,6) are the two elements that belong to group 16 of the periodic table.
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