Periodic Table Practice

How many electrons are in Oxygen? (Give the number only in your answer)

How many subatomic particles are in the nucleus of Chlorine? (Enter the number only for the answer?)

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

• 14

• 7

• 15

• 18

What is the atomic mass of "F"

• 9

• 18

• 17

• 19

electrons have this type of charge?

• negative

• positive

• neutral

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes

• neutrons, isotopes, and electrons

• positives, negatives, and electrons

• protons, neutrons, and electrons

Which particles are contained in the nucleus of an atom?

• neutrons and electrons

• protons and neutons

• protons, neutron, and electrons

which subatomic particles have no charge (they are neutral)?

• protons

• neutrons

• electrons

Valence Electrons of Magnesium

• 1

• 2

• 3

• 4

Valence Electrons of Argon

• 5

• 6

• 7

• 8