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UNO [17]
2 years ago
15

Explain why calcium (Ca) has a greater atomic radius than magnesium (Mg).

Chemistry
1 answer:
g100num [7]2 years ago
8 0

Answer:

Magnesium nucleus will attract the electrons more toward it and therefore, shrinking the size of the atom. Magnesium atom is smaller than Calcium atom because Calcium has more electron ( 20e− ) which will occupy more energy levels ( n=4 for Calcium versus n=3 for Magnesium)

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