16c) FLASHCARD - Structure of the Atom

Front

What are the three main subatomic particles of an atom?

Back

Protons, Neutrons, Electrons.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

What does the atomic number represent?

Back

The number of protons in an element.

Front

Where are electrons located in an atom?

Back

In the electron cloud surrounding the nucleus.

Front

What is the nucleus of an atom made of?

Back

Protons and neutrons.

Front

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

Back

Mass number - Atomic number.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.