Chemistry, 11.04.2021 08:30 amberwithnell12512

Element X is a solid at room temperature. It needs one electron per atom to gain the electronic structure of a noble gas.
It is the least reactive element in its group.
What is the element X?

1.At
2.Cs
3. F
4. Li

Answers: 3

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Element X is a solid at room temperature. It needs one electron per atom to gain the electronic str...