Atom Structure and Periodic Table

Which subatomic particles contribute the most to the mass of an atom?

• Protons, Neutrons, Electrons
• Protons only
• Protons and Electrons
• Protons and Neutrons

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

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

• 11
• 5
• 6
• 16

Tags

NGSS.MS-PS1-1

Which letter represents a proton?

• A
• B
• C
• D

Tags

NGSS.MS-PS1-1

Which letter represents a neutron?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-8

Which letter represents an electron?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-1

Which letter represents the nucleus?

• A
• B
• D
• E

Tags

NGSS.HS-PS1-8

Which subatomic particle has a positive (+) charge?

• Neutron
• Proton
• Electron

Which subatomic particle has a negative (-) charge?

• Proton
• Electron
• Neutron

Which subatomic particle has a neutral or no charge?

• Proton
• Electron
• Neutron