CHEM Test 4 (9th) 21-22

What are the 3 fundamental subatomic particles?

• Protons, Quarks, Electrons

• Protons, Electrons, Neutrons

• None of the above

What is the Atomic Number?

• It is the number of protons in the nucleus of the atom

• It is the number of neutrons in the nucleus of the atom

• It is the number of electrons in the nucleus of the atom

Two elements can never have the same atomic number

• True

• False

What is the Mass Number?

• It is the number of protons in the nucleus

• It is the number of protons plus the number of neutrons in the nucleus

• None of the above

What is the symbol for electrons?

• p⁺

• e^-

• n⁰

What is the symbol for protons?

• p⁺

• e^-

• n⁰

What is the atomic number of the element?

• 3

• 6

• 4

What is the mass number of this element?

• 10

• 5

• 8

How many electrons does this element have?

• 14

• 7

• 3

What is the atomic number of this element?

• 1

• 2

• 3