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Electron configuration of iridium (Ir)

The electron configuration of iridium (Ir) is:

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d⁷

Explanation:

first shell

This denotes the presence of two electrons in the 1s orbital in the first shell (n=1).

second shell

There are 2 electrons in the 2s orbital
and 6 electrons in the 2p orbital in the second shell (n=2).

third shell

There are 2 electrons in the 3s orbital
and 6 electrons in the 3p orbital in the third shell (n=3).

fourth shell

There are 2 electrons in the 4s orbital
and 10 electrons in the 3d orbital in the fourth shell (n=4).
4p orbital, also present which has six electrons.

fifth shell

The fifth shell (n=5) has 2 electrons in the 5s orbital
and 10 electrons in the 4d orbital.
This configuration is designated as 5s² 4d¹⁰.
There are 6 electrons in the 5p orbital in the fifth shell.

sixth shell

There are two electrons in the 6s orbital in the sixth shell (n=6).

fourth shell again

The 4f orbital in the fourth shell has 14 electrons.

fifth shell’s again

The fifth shell’s 5d orbital has seven electrons.

Table for electronic configuration of iridium (Ir)

Shell	Subshell	Orbital	Number of Electrons
1	s	1s	2
2	s	2s	2
2	p	2p	6
3	s	3s	2
3	p	3p	6
4	s	4s	2
3	d	3d	10
4	p	4p	6
5	s	5s	2
4	d	4d	10
5	p	5p	6
6	s	6s	2
4	f	4f	14
5	d	5d	7

More Electronic Configurations

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