Atoms

Front

What is the atomic number of an atom?

Back

The atomic number of an atom is the number of protons in its nucleus.

Front

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

Back

6

Front

What is the center of an atom called?

Back

The center of an atom is called the nucleus.

Front

What are the positive particles of an atom called?

Back

Protons.

Front

What are the particles in an atom that are neutral and have no charge?

Back

Neutrons.

Front

What is the name of the particle that moves around the nucleus?

Back

Electron.

Front

What is the charge of protons?

Back

Protons have a positive charge.

Front

What is the charge of electrons?

Back

Electrons have a negative charge.

Front

What is the role of neutrons in an atom?

Back

Neutrons help stabilize the nucleus by offsetting the repulsive forces between protons.

Front

What is an electron cloud?

Back

The electron cloud is the region around the nucleus where electrons are likely to be found.