Atomic Structure

What subatomic particles are in the nucleus of an atom?

• protons and electrons

• electrons and neutrons

• protons and neutrons

• protons

• electrons

What is the charge of an Oxygen atom?

• +8

• +16

• 0

• -8

• -16

What is the mass number of Beryllium?

• 9

• 4

• 13

What is the atomic number of Iron?

• 55

• 52

• 111

• 26

An isotope has a different than normal number of

• electrons

• protons

• neutrons

• energy level

How many protons does aluminum have?

• 27

• 13

• 14

• 40

How many neutrons does aluminum have?

• 27

• 13

• 14

• 40

How many electrons does Aluminum have?

• 27

• 13

• 14

• 40

How many protons does isotope Neon-22 have?

• 22

• 10

• 12

How many neutrons does isotope Silicon-30 have?

• 14

• 16

• 30

• 28