Isotopes

Front

What do isotopes of an element have in common?

Back

Isotopes of an element have the same atomic number and number of protons.

Front

What are isotopes?

Back

Isotopes are atoms of the same element that have different numbers of neutrons and therefore different mass numbers.

Front

What is the relative mass of a proton or neutron?

Back

The relative mass of a proton or neutron is 1.

Front

How many electrons does a Copper atom have?

Back

A Copper atom has 29 electrons.

Front

In a stable atom, the number of electrons is equal to what?

Back

In a stable atom, the number of electrons is equal to the number of protons.

Front

What is the atomic number of an element?

Back

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

Front

What is mass number?

Back

Mass number is the total number of protons and neutrons in an atom's nucleus.

Front

How do you calculate the number of neutrons in an atom?

Back

Number of neutrons = Mass number - Atomic number.

Front

What is the difference between isotopes and ions?

Back

Isotopes differ in the number of neutrons, while ions differ in the number of electrons.

Front

What is a common use of isotopes in medicine?

Back

Isotopes are used in medical imaging and cancer treatment.