The periodic table 2

The periodic table lists the elements in order of increasing atomic number

​The modern periodic table provides a list of all the known elements categorized in increasing order of increasing atomic number

Each row across the periodic table is known as a period.

Each column is known as a group.

The period number tells us the number of occupied electron shells ion a given atom. The group number shows the number of electrons in the outermost shell of the atom.

Enter your text here ...

Enter your text here ...

Enter your text here ...