Question

(B) Name the element which has one electron in the outermost shell.
in this period.​

Answer 1

Answer:

Lithium

Explanation:

since it has three electron 2 electron fills first orbital and remaining 1 electron is in its outer shell

Answer 2

Answer:

Lithium, Sodium and Potassium are the element which has one electron in the outermost shell.

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