Atoms, Elements, and Compounds Review

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

• Proton, neutron, electron

• Proton, molecule, atom

• Electron, molecule, compound

• Neutron, molecule, element

Which subatomic particle has a positive charge?

• Electron

• Neutron

• Proton

• Atom

Where are the protons and neutrons located in an atom?

• In the electron cloud

• In the nucleus

• In the outer shell

• In the chemical bond

What is an element?

• A group of molecules

• A form of matter made up of only one type of atom

• A combination of compounds

• A type of chemical bond

How do elements differ from each other?

• By the number of electrons

• By the number of neutrons

• By the number of protons

• By the number of molecules

What does a chemical/element symbol represent?

• A type of molecule

• A type of compound

• An element

• A chemical bond

What is a compound?

• A single atom

• Two or more atoms of the same element

• Two or more atoms of different elements combined

• A type of subatomic particle

What is a molecule?

• A single atom

• A group of two or more atoms held together by chemical bonds

• A type of element

• A subatomic particle

Which of the following is true about atoms of different elements?

• They always have the same number of protons

• They always have the same number of neutrons

• They have different numbers of protons

• They have the same chemical symbol

What do shared electrons form between atoms?

• Protons

• Neutrons

• Chemical bonds

• Atomic numbers