Semester One - Part Two - Subatomic Particles and Atomic Nucleus

Front

What is the charge of the atomic nucleus?

Back

Positive

Front

What happens if a proton is added or removed from an atom?

Back

It becomes a different element.

Front

What do isotopes of carbon have in common?

Back

They have the same atomic number and electrons.

Front

How many neutrons does the isotope of lithium have if it has a mass number of 6 and an atomic number of 3?

Back

3 neutrons.

Front

What is true of carbon-12 atoms?

Back

Carbon-12 has an equal number of protons and neutrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a neutron?

Back

A subatomic particle with no charge found in the nucleus of an atom.

Front

What is a proton?

Back

A positively charged subatomic particle found in the nucleus of an atom.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.