2025-26 4Q Chemistry Vocabulary QUIZ Review

the smallest unit of an element that retains the properties of that element

• Atomic Number

• Chemical Bond

• Molecule

• Element

• Atom

Tags

NGSS.MS-PS1-1

the number of protons in the nucleus of an atom

• Atomic Number

• Element

• Period

• Molecule

• Thermal Energy

an interaction that holds atoms or ion together

• Chemical Bond

• Solvent

• Dissolve

• Atom

• Molecule

Tags

NGSS.MS-PS1-5

a substance made up of atoms or ions of 2 or more different elements joined by chemical bonds

• Molecule

• Element

• Compound

• Solution

• Solvent

Tags

NGSS.MS-PS1-1

a solid substance mixes completely with a liquid to form a solution.

• Dissolve

• Solvent

• Solution

• Compound

• Molecule

a subatomic particle that has a negative charge

• Proton

• Electron

• Neutron

• Element

• Product

Tags

NGSS.MS-PS2-3

a pure substance that can not be broken down into simpler substances by chemical means. (All atoms in the element have the same atomic number)

• Atom

• Element

• Molecule

• Product

• Mixture

 the amount of matter in an object

• Mass

• Element

• Volume

• Pressure

• Atom

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

a combination of two or more substances that are NOT chemically combined

• Solution

• Solvent

• Mixture

• Dissolve

• Reactant

a group of atoms that are held together by chemical bonds; a molecule is the smallest unit of a substance that can exist by itself and retain all of the substance’s chemical properties

• Atom

• Mixture

• Molecule

• Element

• Reactant

Tags

NGSS.MS-PS1-1