how many electrons do calcium have in their outer shell

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how many electrons do calcium have in their outer shell

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Thu Thủy 4 years 2021-08-10T10:50:09+00:00 1 Answers 4 views 0

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  1. Nem
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    2021-08-10T10:51:33+00:00
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    Answer:

    Calcium has two electrons in its outer shell.

    Explanation:

    Calcium is defined as a metal due to its physical and chemical traits. The two outer electrons are very reactive. Calcium has a valence of 2.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )