Front

What is the main topic of the Periodic Table?

Back

The Periodic Table is a tabular arrangement of chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.

Front

What is the atomic number?

Back

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

Front

What is a group in the periodic table?

Back

A group is a vertical column in the periodic table that contains elements with similar chemical properties.

Front

What is a period in the periodic table?

Back

A period is a horizontal row in the periodic table that indicates the number of electron shells an atom has.

Front

What element is found in group 18 period 4?

Back

Krypton (Kr)

Front

What element is found in group 2 period 4?

Back

Calcium (Ca)

Front

How are elements arranged in the modern periodic table?

Back

Elements are arranged by atomic number.

Front

What does the number at the top of each square on the periodic table represent?

Back

The atomic number of the element.

Front

What is the chemical symbol for Neon?

Back

Ne

Front

What is the chemical symbol for Chlorine?

Back

Cl