Properties of Atoms

Front

What is the basic structural unit of matter?

Back

Atom

Front

What is an atom or group of atoms that has gained or lost one or more electrons and is now either positively or negatively charged?

Back

Ion

Front

What particles are found in the nucleus of an atom?

Back

Protons and neutrons

Front

What charge does an atom acquire when it gains electrons?

Back

Negative

Front

Which subatomic particle has a negative charge?

Back

Electrons

Front

What is the charge of protons?

Back

Positive

Front

What is the charge of neutrons?

Back

Neutral

Front

What is the term for the center of an atom?

Back

Nucleus

Front

What is the mass of an electron compared to a proton?

Back

Much smaller than a proton

Front

What is the term for the number of protons in the nucleus of an atom?

Back

Atomic number