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Metals (m) in group 2 of the periodic table form ionic bonds with nonmetals (x) present in group ______ leading to formation of ionic compound with general formal of mx
A) 15
B) 16
C) 17
D) 18

Sagot :

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Answer:

16

Explanation:

Metals in group 2 form ions of the sort M^2+. If they must form ionic compounds of general formula MX, then the non metal (X) must have a valency of 2 and form the ion X^2-.

Among the options listed, only elements of group 16 form ions of the sort  X^2-, hence they are able to form compounds of general formula MX with group 2 cations. Examples of such compounds include; CaS, MgS etc

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