Atomic Structure and Subatomic Particles Quiz

Which of the following is NOT a subatomic particle?

• Molecule

• Neutron

• Electron

• Proton

What does the proton number of an atom indicate?

• The number of neutrons in the atom

• The total number of nucleons

• The number of electrons in the atom

• The number of protons in the atom

What are nucleons?

• Only protons

• Only neutrons

• Protons and electrons

• Protons and neutrons

How is the nuclear number of an atom calculated?

• By subtracting the number of neutrons from protons

• By subtracting the number of electrons from protons

• By adding the number of protons and electrons

• By adding the number of protons and neutrons

In an atom with 10 protons and 11 neutrons, what is the nuclear number?

• 10

• 1

• 11

• 21

For helium, if the proton number is 2 and the nuclear number is 4, how many neutrons does it have?

• 8

• 6

• 4

• 2

If an atom is neutral, what can be said about its protons and electrons?

• Protons and electrons are equal

• Electrons are more than protons

• Protons are more than electrons

• Neutrons are equal to protons

What is the neutron count for oxygen if its proton number is 8 and nuclear number is 16?

• 32

• 16

• 8

• 24

For sodium, with a proton number of 11 and a nuclear number of 23, how many neutrons are present?

• 11

• 34

• 23

• 12

Chlorine has a proton number of 17 and a nuclear number of 35. How many neutrons does it have?

• 52

• 35

• 18

• 17