Explain why the atomic size of magnesium is less than that of sodium
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Sodium and magnesium are belong to the same periodic table having 1 valance electron in valance shell which is M shell.Mg has the same valance shell but has 2 electron in it.
The higher no. of proton in Mg pulls the electron towards the nucleus and decreases the atomic of Mg atom.
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The higher no. of proton in Mg pulls the electron towards the nucleus and decreases the atomic of Mg atom.
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Explanation:
in periods generally atomic size decrease with increase atomic number
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