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 are found in the nucleus and have a neutral charge.

• proton

• electron

• neutron

These will determine what element an atom is. 

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

How many protons does sulfur have?

• 32

• 16

• 48

• 12

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

How many protons are in this element?

• 79
• 196
• 117
• Cannot be determined

How many neutrons does a Hydrogen atom have?

• 1

• 2

• 3

• 0

How many neutrons does an Oxygen atom have?

• 8

• 16

• 24

• 7.999

What is the mass number?

• the number of protons in the nucleus

• the number of protons and neutrons in the nucleus

• the number of neutrons in the nucleus

• the number of protons and electrons in the atom