Front

What is atomic mass?

Back

The weighted average mass of an atom's isotopes, measured in atomic mass units (amu).

Front

What is the basic unit of matter?

Back

Atom

Front

What subatomic particle has a negative charge?

Back

Electron

Front

What is atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.

Front

What type of bond involves the transfer of electrons?

Back

Ionic bond.

Front

What type of bond involves the sharing of electrons?

Back

Covalent bond.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is a compound?

Back

A substance formed when two or more different elements are chemically bonded together.

Front

What is the nucleus of an atom?

Back

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

Front

What is a proton?

Back

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