Periodic Table

Front

What does the atomic mass tell you?

Back

Basically, the number of protons and neutrons.

Front

What are valence electrons?

Back

Electrons located on the outer energy level.

Front

What is a negatively charged subatomic particle that orbits the nucleus of an atom?

Back

Electron.

Front

What are the horizontal (side to side) rows in the Periodic Table called?

Back

Periods.

Front

Which group of the periodic table is composed of inert (not reactive) gases with 8 valence electrons?

Back

Noble gases.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What are groups in the periodic table?

Back

Vertical columns that contain elements with similar properties.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic number and properties.

Front

What are alkali metals?

Back

The group of elements in the first column of the periodic table, highly reactive.

Front

What is a neutron?

Back

A subatomic particle with no charge found in the nucleus of an atom.