Periods, Groups, and Families

Front

What is the Periodic Table?

Back

A tabular arrangement of chemical elements, organized by increasing atomic number, where elements with similar properties are grouped together.

Front

What are periods in the Periodic Table?

Back

Horizontal rows in the Periodic Table, where elements have the same number of electron shells.

Front

What are groups in the Periodic Table?

Back

Vertical columns in the Periodic Table, where elements have similar chemical properties and the same number of valence electrons.

Front

How many periods are there in the Periodic Table?

Back

There are 7 periods in the Periodic Table.

Front

What are valence electrons?

Back

Electrons in the outermost energy level of an atom that determine its chemical properties.

Front

What is atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.

Front

How is the Periodic Table arranged?

Back

By increasing atomic number.

Front

What is the significance of the groups in the Periodic Table?

Back

Elements in the same group have similar chemical properties and reactivity.

Front

What is the significance of the periods in the Periodic Table?

Back

Elements in the same period have the same number of electron shells.

Front

What are transition metals?

Back

Elements found in groups 3-12 of the Periodic Table, known for their ability to form various oxidation states.