What is the element with the abbreviated electron configuration [Ar] 4s2?

[匿名]

2020-04-07 11:13 pm

回答 (3)

hcbiochem

2020-04-07 11:30 pm

✔ 最佳答案

Calcium          

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fooks

2020-04-07 11:18 pm

It is calcium (Ca).

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[匿名]

2020-04-07 11:20 pm

It’s calcium.
4s2 is the 4th row down, 2 to the right. 

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收錄日期: 2021-04-18 18:25:48
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