which of the following elements would lose an electron most easily?
(a) Mg (b) Na (c) K (D) Ca
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Explanation:
Solution. K would lose an electron easily as it is a group 1 metal whose atomic number is greater than that of Na, which also belongs to group 1. Mg and Ca are group 2 metals and the tendency to lose electrons decreases on moving from left to right in a period of periodic table.
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