Unit B1 Test Review Assignment

Which particle is virtually massless?

• Electron

• Proton

• Neutron

What makes up a nucleus?

• Electrons

• Protons

• Neutrons

How many protons are in Magnesium?

• 15

• 14

• 12

• 10

What symbol shows Chlorine?

• C

• Ch

• Cl

• Ca

What is a isotope?

• Has a different amount of electrons

• Has a different amount of protons

• Has a different amount of neutrons

Where are electrons on a bohr model?

• On top of the nucleus

• Surrounding the nucleus

• In the nucleus

Who caused the death of Chemistry?

• Democritus

• Dimitri Mendeleev

• John Dalton

• Aristotle

Beryllium has how many protons?

• 6

• 4

• 3

• 5

What is Atomic Number?

• Number of protons

• Number of neutrons

• Number of electrons

What charge do neutrons have?

• Positive

• No charge

• Negative