Which of the following element would lose an electron easily?

M g

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N a

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K

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C a

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Solution

The correct option is C $K$
The IE increase along the period towards right and decreases down the group. The given options are arranged as Na Mg
K Ca
In the periodic table. Thus K has lowest IE so loses electron easily.

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Which of the following elements would lose an electron easily?

(a) Mg (b) Na (c) K (d) Ca

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