Science Vocab

A small-sized number on the bottom right of the symbol

• element

• subscript
• coefficients

• matter

Any substance that has mass and takes up space by having volume

• properties

• matter
• mass

• compounds

A characteristic of a substance that can be observed without changing it into another substance

• Physical properties

• Chemical properties

• Physical change

• Matter

The material involved in the change is structurally the same before and after the change

• Chemical properties

• Physical change
• Physical properties

• Chemical change

Smallest unit of elements

• Compounds

• Molecules
• Properties

• Atoms

The numbers placed in front of chemical formulas to balance equations

• Coefficients
• Subscripts
• Symbols
• Numbers

A substance made up of two or more different chemical elements combined in a fixed ratio.

• Mixture
• Solution
• Compounds

• Element

An attraction between atoms

• Reactants

• Compounds

• Bonds

• Molecules

• 2 or more atoms connected by chemical bonds

• Compound
• Element
• Proton
• Molecules

A substance that cannot be chemically broken down any further into a simpler substance. Made of only 1 kind of atom.

• Element
• Solution
• Molecules

• Compound