What is calcium's matching element

Chemistry

1 answer:

vodomira [7]3 years ago

8 0

Answer: Explanation:

Calcium (Ca), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table. It is the most abundant metallic element in the human body and the fifth most abundant element in Earth's crust.

...

Calcium.

atomic number 20

oxidation state +2

electron configuration 1s22s22p63s23p64s2

Explanation:

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