Atoms and the Periodic table

Front

What are the elements in the periodic table that have similar properties called?

Back

Elements in the same group.

Front

What is the definition of an element?

Back

A substance that cannot be broken down into simpler substances by chemical means.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are groups in the periodic table?

Back

Vertical columns that contain elements with similar chemical properties.

Front

What are periods in the periodic table?

Back

Horizontal rows that indicate the number of electron shells in the elements.

Front

What is a characteristic property of metals?

Back

Metals are typically good conductors of heat and electricity.

Front

What is a characteristic property of nonmetals?

Back

Nonmetals are generally poor conductors of heat and electricity.

Front

What are noble gases?

Back

Elements in group 18 of the periodic table that are inert and do not readily react with other elements.

Front

What is the atomic number of an element?

Back

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

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus of an atom.