Atomic Structure

Front

What is the relationship between protons and electrons in a neutral atom?

Back

In a neutral atom, protons = electrons.

Front

What part of the atom contains protons and neutrons?

Back

The nucleus.

Front

Which subatomic particle determines the identity of an atom?

Back

Protons.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of an electron?

Back

Negative.

Front

Where are electrons located in an atom?

Back

In energy levels or electron clouds surrounding the nucleus.

Front

What is the mass of a neutron compared to a proton?

Back

Neutrons have approximately the same mass as protons.

Front

What is the overall charge of an atom?

Back

Neutral, because the number of protons equals the number of electrons.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.