Ashlynn M.

asked • 02/11/17

Which has the larger atomic radius magnesium or calcium?

Chemistry 

1 Expert Answer

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Natalia A. answered • 02/11/17

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Calcium has a larger atomic radius than Magnesium. 
 
If you look on the period table you will notice Magnesium atomic number is 12, while Calcium is 20. 
 
Calcium(Ca) has 4 energy level while magnesium(Mg) has 3 Energy level. 
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