According to periodic table, which of the following elements has the smallest atomic radius?

$(a)\;\text{nickel} \\(b)\;\text{cobalt} \\(c)\;\text{calcium} \\ (d)\;\text{potassium}$

1 Answer

With a radius of 124, nickel has the smallest atomic radius of the elements given.
Hence a is the correct answer.
answered Mar 14, 2014 by

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