JML Atoms and Elements Review

Front

What is an atom?

Back

The smallest unit of matter that retains the properties of an element.

Front

What determines the identity of an element?

Back

The number of protons in its nucleus.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What are neutrons?

Back

Particles in an atom's nucleus that are neutral and have no charge.

Front

How many protons does an atom with atomic number 6 have?

Back

6 protons.

Front

What is the smallest unit of matter?

Back

The atom.

Front

What is the charge of protons?

Back

Positive charge.

Front

What is the charge of electrons?

Back

Negative charge.

Front

What is the charge of neutrons?

Back

No charge (neutral).

Front

What is the relationship between protons and atomic number?

Back

The atomic number is equal to the number of protons in an atom.