Atoms and Molecules Quiz

What is the smallest unit of an element that maintains the properties of that element?

• Molecule

• Atom

• Electron

• Compound

Which of the following is NOT a basic physical property of atoms?

• Mass

• Color

• Volume

• Electric charge

Atoms are made up of which three main particles?

• Protons, Neutrons, Electrons

• Electrons, Ions, Molecules

• Protons, Alphas, Betas

• Neutrons, Ions, Electrons

Tags

NGSS.MS-PS1-1

What is a molecule?

• A single atom

• A group of atoms bonded together

• A type of atom

• A charged particle

Tags

NGSS.MS-PS1-1

Which of the following is true about the mass of an atom?

• It is mainly in the electrons.

• It is evenly distributed throughout the atom.

• It is mainly in the nucleus.

• It is only in the protons.

Tags

NGSS.HS-PS1-8

What determines the chemical properties of an atom?

• The number of neutrons

• The number of molecules

• The number of electrons

• The number of protons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How do atoms combine to form molecules?

• By sharing electrons

• By transferring protons

• By moving neutrons

• By exchanging nuclei

Tags

NGSS.MS-PS1-1

What is the term for the number of protons in the nucleus of an atom?

• Atomic number

• Mass number

• Electron count

• Neutron number

Tags

NGSS.HS-PS1-8

Which of the following molecules is made up of two atoms?

Tags

NGSS.MS-PS1-1

What happens to the physical properties of atoms when they form molecules?

• They disappear

• They do not change

• They combine to form a new set of properties

• They are magnified

Tags

NGSS.MS-PS1-2