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hoa [83]
3 years ago
7

An atom with atomic number of 20 and a plus 1 charge (Help)

Chemistry
1 answer:
VMariaS [17]3 years ago
6 0

Answer:

calcium 20. charge of calcium is +2

2,8,8,2  is elecrons arrangement in the outermost shell.2 electrons in the outermost shell easily remove it. And form stable cations.

Explanation:

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Vadim26 [7]

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Answer  is option D. All of these choices are correct.

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7 0
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lora16 [44]
Hey there!:


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