How many electrons are in an ion of calcium (Ca2+)? A. 2 B. 18 C. 0 D. 22

Question

How many electrons are in an ion of calcium (Ca2+)?
A. 2
B. 18
C. 0
D. 22

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Kiệt Gia 3 years 2021-08-17T05:09:45+00:00 2 Answers 7 views 0

Answers ( )

  1. trungdung22
    0
    2021-08-17T05:10:57+00:00
    Reply

    B 18 is the answer ……

  2. Maris
    0
    2021-08-17T05:11:31+00:00
    Reply

    Answer:

    The correct answer is B

    Explanation:

    Hope you have a good day

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