Question

how to know electronic configuration

Answer 1

Method 1 Assigning Electrons Using a Periodic Table

Find your atom's atomic number. ...

Determine the charge of the atom. ...

Memorize the basic list of orbitals. ...

Understand electron configuration notation. ...

Memorize the order of the orbitals. ...

Fill in the orbitals according to the number of electrons in your atom.

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Answer 2

we can know electron configuration by its atomic number .we can write it with the help of moller's diagram
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