atomic structure, ions, isotopes

Front

What is the mass number?

Back

The sum of the number of protons and the number of neutrons in the nucleus of an atom.

Front

What particles are found outside the nucleus of an atom?

Back

Electrons.

Front

Atoms of the same element which have a different number of neutrons are called what?

Back

Isotopes.

Front

What is the central region of an atom where its neutrons and protons are located?

Back

Nucleus.

Front

How is carbon-12 different from carbon-14?

Back

They have a different number of neutrons.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is an ion?

Back

An atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.

Front

What is an isotope?

Back

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