Question

Write the electronic configuration of the first four elements in
this group.



please ans me fast.​

Answer 1

$\huge\mathfrak\pink{Answer!}$

• hydrogen(1)

• lithium. (2,1)

• sodium (2,8,1)

• potassium (2,8,8,1)

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Answer 2

Answer:

The electronic configuration of the first four elements are:-

1.) Hydrogen- 1

2.) Helium - 2

3.) Lithium - 2,1

4.) Beryllium - 2,2

Explanation:

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