Structure of the Atom Quiz

What are the three subatomic particles that make up an atom?

• protons, electrons, and quarks

• photons, neutrons, and electrons

• protons, neutrons, and electrons

• positrons, neutrinos, and electrons

What is the charge of a proton?

• Variable

• Negative

• Neutral

• Positive

What is the charge of an electron?

• -1

• 0

• 2

• +1

What is the charge of a neutron?

• Zero

• Negative

• Positive

• Neutral

What is the atomic number of an element?

• The atomic number of an element is the number of isotopes in the nucleus of an atom.

• The atomic number of an element is the number of protons in the nucleus of an atom.

• The atomic number of an element is the number of neutrons in the nucleus of an atom.

• The atomic number of an element is the number of electrons in the nucleus of an atom.

How is the mass number of an element calculated?

• By subtracting the number of protons from the number of neutrons.

• By adding the number of protons and neutrons in the nucleus of the atom.

• By multiplying the number of protons and neutrons.

• By dividing the number of protons by the number of neutrons.

What is the total number of protons and neutrons in the nucleus of an atom?

• Electron number

• Isotope number

• Atomic number

• Mass number

What is the relationship between the atomic number and the number of protons in an atom?

• The atomic number is always less than the number of protons

• They are the same

• They are completely unrelated

• The atomic number is always greater than the number of protons

Where are electrons found?

• Outside the nucleus

• Under my bed

• Inside the nucleus

• Inside a proton

What number indicates the nucleus?

• 1
• 2
• 3
• 4