Question

Elements in a given period of the periodic table contain the same number of

Answer 1

Electron shells. As the atomic number grows inside a period the electrons are added to a same shell.

Answer 2

A period in the periodic table is a row of chemical elements. All elements in a row have the same number of electron shells.

What are electron shells?

An electron shell is the outside part of an atom around the atomic nucleus.

Elements present in horizontal rows are called periods.

Elements belonging to the same period have same no. of the shell as the electrons are added in the same shell of the element.

Learn more about the electron shells here:

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