Particles and Nuclear Structure

What subatomic particles would you find in the nucleus of an atom?

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

Which letter represents a proton?

• A
• B
• C
• D

Which letter represents a neutron?

• A
• B
• C
• D

Which letter represents an electron?

• A
• B
• C
• D

•What elementary particles are the building blocks for protons and neutrons?

• •Quarks

• • Leptons

• • Photons

• • Gluons

•How many quarks make up a proton?

• 0

• 1

• 2

• 3

• 4

•What particle is made up of two 'down' quarks and one 'up' quark?

• •Atom

• • Electron

• • Neutron

• • Proton

• • Tachyon

Which of the following sentences about antimatter is NOT true:

• Antimatter is normal matter with an opposite charge

• Antimatter is only produced in particle accelerators

• Antimatter annihilates matter

• Equal amounts of antimatter and matter were created during the Big Bang

In the standard model, the particle considered to be an elementary particle is a(n)

• proton
• neutron
• electron
• alpha particle

All atoms consist of mostly empty space.

• True
• False