An element X from group 2 of the periodic table reacts with an element Y from group 17 to
An element X from group 2 of the periodic table reacts with an element Y from group 17 to form a compound.
(a) What is the nature of the compound formed ?
(b) State whether the compound formed will conduct electricity or not.
(c) Give the formula of the compound formed.
(d) What is the valency of element X ?
(e) How many electrons are there in the outermost shell of an atom of element Y ?
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