Ions and Isotopes

Front

What is an ion?

Back

A charged atom that has lost or gained one or more electrons.

Front

How many neutrons does the isotope of lithium have?

Back

Lithium-7 has 4 neutrons.

Front

What are cations?

Back

Cations are positively charged ions.

Front

What do isotopes of carbon have in common?

Back

They have the same atomic number but different mass numbers.

Front

What are anions?

Back

Anions are negatively charged ions.

Front

Define isotopes.

Back

Isotopes are atoms of the same element with the same number of protons but different numbers of neutrons.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is a neutron?

Back

A neutron is a subatomic particle found in the nucleus of an atom, with no charge.

Front

What is a proton?

Back

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

Front

How do you determine the mass number of an atom?

Back

The mass number is the sum of protons and neutrons in the nucleus.