Q 17
Two elements X and Y have atomic numbers 17 and 20 respectively. To which group of Modern Periodic Table do these two elements belong? What type of bond wil be
formed between them and why? Deduce the formula of X with Y and X with
aluminium
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17 belong to 7th grp
20 belong to 2nd grp
the bond formed is ionic compound
Ca+Cl2 ------->CaCl2
Al +Cl2 -------->AlCl2
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