Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

12 Cards in this Set

  • Front
  • Back
Chemical Reaction
Well-defined example of a chemical change
Substances that are about to react
The new substances produced
Represents the # of units of each substance taking part in a reaction
migrate through Earth's atmostphere and decompose.
Balanced Chemical Equation
Has the same number of atos of each elelment on both sides of the equation.
Synthesis Reaction
Two of more substances combine to form another substance.
Decomposition reaction
One substance breaks down, or decomposes, into two or more simpler substances.
Double- Displacement Reaction
Takes place if a precipitate water or a gas forms when two ionic compounds formed during this type of reaction.
Exothermic Reactions
some form of energy is given off by the reaction.
Are used to combine with one of the reactants.
Endothermic Reactions
Energy must be provided for the reaction to take place.