Atom, Ion, Isotope Review

Front

What is an atom?

Back

The smallest unit of an element, consisting of protons, neutrons, and electrons.

Front

What is an ion?

Back

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

Front

What is an isotope?

Back

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

Front

How do Carbon-12 and Carbon-14 differ?

Back

They differ in mass number and number of neutrons.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.

Front

How many neutrons are in Carbon-14?

Back

8 neutrons (14 mass number - 6 protons = 8 neutrons).

Front

What are isotopes of carbon?

Back

Carbon-12, Carbon-13, and Carbon-14.

Front

What is the charge of a proton?

Back

Positive charge.

Front

What is the charge of an electron?

Back

Negative charge.