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27 Oct 2021

Given information

The name of elements in the fourth row of the periodic table that shows given properties is to be identified.

 

 

Step-by-step explanation

Step 1.

The electrons of an atom or molecule are distributed in the molecular or atomic orbitals. This distribution of electrons is known as the electronic configuration of the atom or molecule.

Atomic number is the total number of protons present in an atom.

On basis of the periodic table of elements, the atomic number of selenium is . It present in the fourth row in periodic table of element

The electronic configuration of  is .

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Principles of Chemistry Molecular Approach
3rd Edition, 2014
Tro
ISBN: 9780321971944

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