The easiest way to get started
Quiz yourself by typing answers
Hear the words and type them in
Multiple choice, true/false, matching
Match terms as fast as you can
Defend Earth from alien invaders
two or more substances combine to form one new substance
Exp. Na + Cl2 NaCl
When a substance breaks up into simpler substances
Exp. NaCl Na + Cl2
One elemnet replaces another in a compound
Exp. NaBr + Cl2 NaCl + Br2
The positive or negative ions of two compounds are switched
Exp. NaBr + Pb2S3 Na2S + PbBr3
a hydrocarbon reacts with oxygen to form carbon dioxide and water
Exp. C8H18 + O2 CO2 + H2O
Neutralization (Acid/Base RXN)
an acid and base react to form water and a salt
Exp. HCl + NaOH H2O + NaCl
Oxidation is a process in which a substance loses one or more electrons (Oxidation # increases). Reduction is a process in which a substance gains one or more electrons (Oxidation # decreases). Remember that the oxidation number of an atom by itself is 0.
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see