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Chapter 41: Q. 15 (page 1207)

What is the electron configuration of the second excited state of lithium?

Short Answer

Expert verified

The electronic configuration of second excited state for lithium atom is1s23s1

Step by step solution

01

Step 1. Given information

The number of possible electrons in sorbital (or shell) is 2 ,

the number of possible electrons in porbital (or shell) is 6 ,

the number of possible electrons in orbital (or shell) is 10,

and the number of possible electrons in gorbital (or shell) is 14 .

02

Step 2. Explanation

We must determine the electron configuration of lithium's second exited state.

In the ground state, the lithium atom (Z= 3) contains two electrons in the 1s shell and one electron in the 2s shell.

For the first excited state of lithium, the electron configuration is:

1s22p

As a result, the electron configuration for lithium's second excited state is:

1s23s

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