Ions and Isotopes

Front

What is an ion?

Back

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

Front

What are isotopes?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

How do isotopes of an element differ from one another?

Back

They differ in the number of neutrons and atomic mass.

Front

What is the charge of an ion that has gained 2 electrons?

Back

-2.

Front

What is the atomic mass of an element?

Back

The weighted average mass of an element's isotopes.

Front

What is the difference between cations and anions?

Back

Cations are positively charged ions, while anions are negatively charged ions.

Front

How is the atomic number of an element defined?

Back

The number of protons in the nucleus of an atom.

Front

What happens to an atom when it loses an electron?

Back

It becomes a positively charged ion (cation).

Front

What is the significance of isotopes in medicine?

Back

Isotopes are used in medical imaging and treatment, such as radioactive iodine in thyroid treatment.

Front

Can isotopes of an element have different chemical properties?

Back

Generally, isotopes have similar chemical properties but can differ in reaction rates under certain conditions.