Atomic Structure Quiz

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

• protons, neutrons, and positrons

• electrons, photons, and neutrinos

• protons, electrons, and quarks

• protons, neutrons, and electrons

Which subatomic particle carries a positive charge?

• photon

• proton

• neutron

• electron

Which subatomic particle carries a negative charge?

• proton

• electron

• neutron

• positron

Which subatomic particle has no charge?

• electron

• proton

• positron

• neutron

What is the atomic number of an element?

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

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

What is the mass number of an element?

• The number of neutrons in an element.

• Correct answer for the question

• The number of protons in an element.

• The atomic number of an element.

How is isotopic notation represented?

• Atomic symbol (superscript mass number)(subscript atomic number)

• (superscript mass number)(subscript atomic number)(atomic symbol)

• (subscript atomic number)(superscript mass number)(atomic symbol)

• (atomic symbol)(subscript atomic number)(superscript mass number)

What is the difference between an isotope and an element?

• An isotope is a variant of an element that has the same number of protons but a different number of neutrons.

• An isotope is a variant of an element that has a different atomic number.

• An isotope is a variant of an element that has the same number of neutrons but a different number of protons.

• An isotope is a variant of an element that has a different electron configuration.

How many protons are present in an atom with atomic number 8?

• 8

• 12

• 10

• 6

How many neutrons are present in an atom with mass number 23 and atomic number 11?

• 16

• 14

• 10

• 12