Question

Write down electronic configuration of the lithium

Answer 1

Answer:

Atomic number of lithium =3

electronic configuration = 2,1

Explanation:

hope it helps you

Answer 2

Answer:

1s 2 2s 1.

Explanation:

Lithium is the third element with a total of 3 electrons. In writing the electron configuration for lithium the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons the remaining electron for Li goes in the 2s orbital.