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Stack #174748

The study of the properties of matter, and how matter changes Chemistry
Characteristic of a substance that can be observed without changing it into something else. Ex: density, melting point, boiling point. Physical Property
A measure of how heavy something is for its size. (Mass divided by volume) Density
Characteristic observed when a substance changes into a different substance. Ex: burning, rusting... Chemical Property
Substance that can't be broken into other substances by either physical or chemical means. Represented by a 1 or 2 letter SYMBOL.Ex: Hydrogen(H), Oxygen(O), Copper (Cu) Element
Two or more elements chemically combined in a set ratio. Compound
Uses symbols and numbers to show the ratio of elements in a compound Ex: H20,CO2 Formula
Two or more substances in the same place that are not chemically combined. Ex: milk, salt & pepper Mixture
A change in matter that form 1 or more new substances. Also called a CHEMICAL CHANGE. Ex: the reaction of sodium and water Chemical Reaction
Short, simple way to describe a chemical reaction using symbols and formulas instead of words. Ex: C + O2 = CO2 ( "=" should be an arrow) Chemical Equation
The substances you end up with in a chemical reaction to the LEFT of the arrow. Reactants
The substances you end up with in a chemical reaction to the RIGHT of the arrow. Products
The smallest part of an element Atom
A particle made up of 2 or more atoms Molecule
The force that holds atoms together. During a chemical reaction, chemical bonds are either formed or broken apart. Chemical Bond
Created by: saby