Atoms/Ions/Isotopes

Front

What are the three subatomic particles of an atom?

Back

Protons, neutrons, and electrons.

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

How do you determine the atomic number of an element?

Back

The atomic number is equal to the number of protons in the nucleus.

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Front

What is a negative ion called?

Back

An anion.

Front

What is a positive ion called?

Back

A cation.

Front

What is an isotope?

Back

Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons.

Front

How do isotopes of the same element differ?

Back

They differ in their mass number due to the different number of neutrons.