Atomic structure, ions, isotopes

Front

What happens when you change the number of neutrons in an atom?

Back

It changes the mass of the atom.

Front

Which subatomic particle has the least mass?

Back

Electron.

Front

What two subatomic particles are found in the nucleus of an atom?

Back

Neutrons and protons.

Front

What do we call an atom with the same number of protons and electrons?

Back

Neutral atom.

Front

What is a cation?

Back

A positively charged ion formed when an atom loses electrons.

Front

What is an anion?

Back

A negatively charged ion formed when an atom gains electrons.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What charge do protons have?

Back

Positive charge.

Front

What charge do neutrons have?

Back

No charge.