S8P1 Atoms Quiz

What is an atom?

• The basic unit of matter

• A subatomic particle

• A type of molecule

• A form of energy

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

• protons, electrons, and quarks

• electrons, photons, and neutrinos

• protons, neutrons, and positrons

• protons, neutrons, and electrons

What is the charge of a proton?

• +2

• 0

• +1

• -1

What is the charge of a neutron?

• -1

• 0

• 1

• 2

What is the atomic number of an element?

• 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 protons in the nucleus of an atom.

• 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 neutrons in the nucleus of an atom.

What is the mass number of an element?

• The atomic number of an element.

• The number of protons in an element.

• The number of neutrons in an element.

• The number of protons and neutrons

What is the difference between an element and a compound?

• An element is a substance made up of two or more different elements chemically combined, while a compound is a pure substance made up of only one type of atom.

• An element is a mixture of different substances, while a compound is a pure substance.

• An element is a substance that cannot be broken down into simpler substances by chemical means, while a compound is a substance that can be broken down into simpler substances by chemical means.

• An element is a pure substance made up of only one type of atom, while a compound is a substance made up of two or more different elements chemically combined.

What is the charge of a proton?

• -1

• 0

• 1

• 2

What is the charge of a neutron?

• Positive

• Negative

• Neutral

• Depends on the atom

What is the charge of a neutron?

• +1

• 0

• -1

• +2