Diagnostic Test

Front

What are the three main subatomic particles of an atom?

Back

Proton, neutron, electron.

Front

What charge does a proton carry?

Back

Positive charge.

Front

What charge does a neutron carry?

Back

Neutral charge.

Front

What charge does an electron carry?

Back

Negative charge.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What do atoms in the same group of the periodic table have in common?

Back

They have similar chemical properties.

Front

What is the significance of valence electrons?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

How do you determine the atomic mass of an element?

Back

By summing the number of protons and neutrons in the nucleus.

Front

What is the periodic table?

Back

A tabular arrangement of elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What is an isotope?

Back

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