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Arrange the following atoms in order from smallest to largest atomic radius: Be, Mg, Ca, and...

Arrange the following atoms in order from smallest to largest atomic radius: Be, Mg, Ca, and Ba. For Mg and Na, write Mg Na or Mg, Na. Hint, make sure you use the periodic table.

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Answer #1

Moving down a group in periodic table increases atomic radius as number of shell increases. Given elements are from same group 2A.

So order of atomic radius is:

Be <Mg< Ca < Ba .

Hope you will like my answer.

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