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Asked Oct 1, 2019
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In the periodic table, calcium, element 20, is surrounded by elements 12 magnesium , 19 potassium, 21 scandium, and 38 strontium.  Which of these have physical and chemical properties most resembling calcium?

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The most resemple element of calcium a...

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The most resemple element of calcium atom is magnesium and Strontium because both are second group elements, and both has similar physical and chemical properties. All the element has similar number of valence electrons. Whereas potassium and scandium do not resample with calcium element because they are different physical and chemical property

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