Protons, Neutrons, & Electrons

Front

What charge does an electron have?

Back

Negative

Front

What charge does a proton have?

Back

Positive

Front

How many neutrons are in magnesium?

Back

12

Front

What is the atomic number of silicon?

Back

14

Front

How many electrons does helium have?

Back

2

Front

What are protons?

Back

Subatomic particles with a positive charge found in the nucleus of an atom.

Front

What are neutrons?

Back

Subatomic particles with no charge (neutral) found in the nucleus of an atom.

Front

What are electrons?

Back

Subatomic particles with a negative charge that orbit the nucleus of an atom.

Front

What is the atomic mass of an element?

Back

The weighted average mass of an element's isotopes, measured in atomic mass units (amu).

Front

What is the relationship between protons and atomic number?

Back

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