Atomic Structure Review

Front

What is the hyphen notation for the isotope with 39 protons and 50 neutrons?

Back

Yttrium-89

Front

Which particle determines the identity of an element?

Back

Proton

Front

What particles are found in the nucleus of an atom?

Back

Neutrons and protons

Front

Where is most of an atom's mass located?

Back

In the nucleus.

Front

What are ions?

Back

Atoms with a positive or negative charge.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons.