Unit 1 Review

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

These will determine what element an atom is. 

• number of neutrons
• number of electrons
• number of atoms 
• number of protons 

The number 16 for the atomic element sulfur is the

• ionic number

• isotope

• atomic mass

• atomic number

How many protons does sulfur have?

• 32

• 16

• 48

• 12

How many electrons does sulfur have

• 16

• 32

• 48

• 12

In an atom, the number of protons is equal to the number of ____________.

• energy levels

• neutrons

• neurons

• electrons

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

How many neutrons does a Hydrogen atom have?

• 1

• 2

• 3

• 0

How many atoms are in this molecule?

• 1

• 2

• 3

• 4