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Using the periodic table, which of the following elements has the most properties in common with calcium (Ca)? potassium (K) magnesium (Mg) scandium (Sc) argon (Ar)
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Using the periodic table, which of the following elements has the most properties in common with calcium (Ca)? potassium (K) magnesium (Mg) scandium (Sc) argon (Ar)

User Coblenski
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The element is Mg as they are both located in the same group in the periodic table.

User Martin Odhelius
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