Atoms

Front

What are the positive particles of an atom?

Back

Protons are the positive particles found in the nucleus of an atom.

Front

What is all matter made of?

Back

All matter is made of atoms.

Front

If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?

Back

The mass of the atom is 20 (protons + neutrons = 10 + 10).

Front

What particle moves around the nucleus of an atom?

Back

Electrons are the particles that move around the nucleus.

Front

When an atom loses an electron, what type of ion does it become?

Back

It becomes a positive ion.

Front

What is the charge of a proton?

Back

Protons have a positive charge.

Front

What is the charge of an electron?

Back

Electrons have a negative charge.

Front

What is the charge of a neutron?

Back

Neutrons have no charge (they are neutral).

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom, containing protons and neutrons.

Front

How do you calculate the atomic mass of an atom?

Back

Atomic mass is calculated by adding the number of protons and neutrons.