ATOMIC STRUCTURE

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of a neutron?

Back

Neutral - no charge

Front

What is the charge of an electron?

Back

Negative

Front

Which particles are found in the nucleus of an atom?

Back

Protons and neutrons

Front

What is the mass of a proton in atomic mass units (amu)?

Back

1 amu

Front

What is the mass of a neutron in atomic mass units (amu)?

Back

1 amu

Front

What is the mass of an electron in atomic mass units (amu)?

Back

Approximately 0 amu

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the role of electrons in an atom?

Back

Electrons are involved in chemical bonding and reactions.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.