9 Weeks Review

Where is the element's atomic NUMBER located?

• the top

• the bottom

• the top + the bottom

• the number of protons + the number of neutrons

Where is the element's atomic MASS located?

• at the top

• at the bottom

• the top number + the bottom number

• the number of protons + the number of neutrons

What are the 3 subatomic particles of an atom?

• carbon atom, proton, electron

• quarks, neutrons, protons

• nucleus, protons, electrons

• protons, neutrons, electrons

Generally, the number of neutrons ____ the number of protons in an atom.

• =

• <

• >

What are the 3 subatomic particles of an atom?

• carbon atom, proton, electron

• quarks, neutrons, protons

• nucleus, protons, electrons

• protons, neutrons, electrons

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

Which subatomic particle has a positive charge?

• proton

• neutron

• electron

Which subatomic particle has a neutral or no charge?

• proton

• neutron

• electron

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

What is at the center of every atom?

• an electron
• a compound
• a molecule
• a nucleus