PS The Standard Model

The word "atom" means what?

• "indivisible"
• "Adam"
• "extremely small"
• "indestructible"

All atoms consist of mostly empty space.

• True
• False

Almost all of the mass of an atom is found in what part?

• The electron cloud
• The nucleus
• The protons
• The charge

Which of the following is a fundamental particle of the universe?

• The proton
• The neutron
• The electron
• They all are fundamental particles

Quarks are found in inseparable pairs; up and down, charm and strange, and top and bottom. 

• True
• False

All ordinary matter is made up of fundamental particles.

• true

• false

Bosons are responsible for what type of phenomena in the universe?

• They act as messengers between particles

• They make up all types of ordinary matter

• They constitute the dark matter of the universe

• They are the force behind antimatter

What is the electromagnetic charge of a proton?

• 0

• 1/2

• 1

• 3/2

What is the electromagnetic charge of a neutron?

• 0

• 1/2

• 1

• 3/2

What is the electromagnetic charge of an electron?

• 0

• 1/2

• -1

• -1/2