The Building Blocks of Atoms Quiz

Which particle in an atom has a positive charge?

• Proton
• Neutron
• Electron
• Alpha particle

What is the mass of a neutron?

• 0.0005
• 1
• 2
• 1.5

How does the size of the nucleus compare to the entire atom?

• It is much larger
• It is the same size
• It is incredibly tiny
• It is moderately sized

What type of radiation is a helium nucleus?

• Alpha radiation
• Beta radiation
• Gamma radiation
• Delta radiation

Which analogy best describes the structure of an atom?

• A tiny solar system
• A cluster of grapes
• A beehive
• A stack of building blocks

What is the relative size of an atom's nucleus compared to the whole atom?

• About half the size of the atom
• Roughly the same size as the atom
• Incredibly tiny, like a pea in a football stadium
• As large as all the electrons combined

Which subatomic particle has a positive charge?

• Proton
• Neutron
• Electron
• Photon

What is the charge of a neutron?

• +1
• -1
• 0
• Variable

Which subatomic particle has the smallest mass?

• Proton
• Neutron
• Electron
• They all have the same mass

What is the relative mass of an electron compared to a proton?

• 1
• 0.5
• 0.0005
• 2