Chemistry Quiz

What is the relationship between the number of protons and the atomic number in an atom?

• # Protons = Atomic Mass

• # Protons = Atomic Number

• # Protons = Neutrons

• # Protons = Electrons

How do you calculate the number of neutrons in an atom?

• Atomic Number - Mass Number

• Mass Number + Atomic Number

• Mass Number - Atomic Number

• Atomic Number + Electrons

What is the atomic number of Boron?

• 6

• 5

• 11

• 10

How many electrons does a Boron atom have?

• 6

• 5

• 11

• 10

What is the mass number of Sodium?

• 11

• 24

• 12

• 23

How many protons are in a Copper atom?

• 29

• 35

• 24

• 11

What is the element symbol for Thallium?

• Tl

• Tm

• Th

• Ti

What is the atomic number of Thallium?

• 204

• 81

• 207

• 98

How many neutrons are in a Boron atom?

• 5

• 6

• 11

• 10

What is the mass number of Carbon?

• 6

• 12

• 14

• 11