Atoms

Front

The positively charged particle in an atom.

Back

Proton

Front

Describes what an atom looks like

Back

Atomic Theory

Front

The total number of protons and neutrons in the nucleus of an atom

Back

Mass Number

Front

The center of an atom where its neutrons and protons are is called the _____________.

Back

nucleus

Front

Atoms are made up of ________________

Back

subatomic particles

Front

Subatomic particles in the nucleus.

Back

Protons and neutrons.

Front

The mass number of an atom is the mass of ______ + _____

Back

protons + neutrons

Front

The mass number is always larger than the atomic number (except for Hydrogen).

Back

TRUE

Front

Why can't the separate atoms that make up a wooden table be seen? Options: too small, moving too fast, packed lightly together, hidden beneath the surface.

Back

too small

Front

Atoms bond together in different ways to make ________________.

Back

Molecules