The valence level and the number of valence electrons, respectively, for calcium are:
A)4 and 2
B)2 and 4
C)4 and 4
D)3 and 2
E)2 and 2

Name: The valence level and the number of valence electrons, respectively, for calcium are: A)4 and 2 B)2 and 4 C)4 and 4 D)3 and 2 E)2 and 2
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Calcium (Ca) has an atomic number of 20, placing it in the fourth period (level) of the periodic table, indicating its valence level is 4. It is in group 2, meaning it has 2 valence electrons.

The Valence Level and the Number of Valence Electrons, Respectively