Unit 3 8.5 A,B,C

Front

Identify this element from the periodic table.

Back

Argon

Front

Mass number of the atom?

Back

7

Front

Atomic number of this atom?

Back

2

Front

Electrons in potassium (K)

Back

19

Front

Neutrons in an atom with atomic number 34 and mass 74?

Back

40

Front

Protons in the element?

Back

79

Front

Protons and electrons have the same mass.

Back

False - They do not have the same mass.

Front

Subatomic particle with a positive charge?

Back

Proton

Front

Subatomic particle with a negative charge?

Back

Electron

Front

Subatomic particle with no charge?

Back

Neutron