Unit 2 MATTER

Multiple Choice

What is the atomic number of the atom pictured?

• 2

• 4

• 9

• 1

Multiple Choice

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

• Protons only

• Protons and Neutrons

• Neutrons and Electrons

• Electrons and Protons

Multiple Choice

Which is the number of protons that the element in this image contain?

• 14

• 18

• 7

• 15

Multiple Choice

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

• 10

• 15

• 5

• 25

Multiple Choice

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

• 11

• 5

• 6

• 16

Multiple Choice

What is an atom mostly made of?

• Proton

• Neutron

• Empty Space

• Electron