The modern Periodic table

HideShow resource information

A period: A period is a horizontal row of elements in the periodic table. Elements show trends in properties across a period.

A group: A group is a vertical column in the periodic table. Elements in a group have similar chemical properties and their atoms have the same number of outer- shell electrons.

Periodicity: Periodicity is a regular periodic varation of properties of elements with atomic number…


No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all The Periodic Table resources »