Minor Summative | Atoms and Elements

Front

What is the smallest unit of matter?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What are the three main parts of an atom?

Back

The three main parts of an atom are protons, neutrons, and electrons.

Front

What charge do protons have?

Back

Protons have a positive charge.

Front

What charge do electrons have?

Back

Electrons have a negative charge.

Front

What charge do neutrons have?

Back

Neutrons have no charge (they are neutral).

Front

Where are protons located in an atom?

Back

Protons are located in the nucleus of an atom.

Front

Where are electrons located in an atom?

Back

Electrons are located in the electron cloud surrounding the nucleus.

Front

What determines the atomic number of an element?

Back

The atomic number of an element is determined by the number of protons in its nucleus.

Front

What is an element?

Back

An element is a pure substance made up of only one kind of atom.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.