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Chemical Reactions

Ben Haase

This crossword covers vocabulary terms associated with chemical reactions.

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Across
1.reaction that requires more energy to break bonds than is released after forming new bonds
4.the new substances produced from a reaction
5.speeds up a chemical reaction
11.chemical reactions that release energy
12.this is the number of units for each substance in a reaction
13.loss of electrons
14.reaction where a substance reacts with oxygen and produces energy in the form of heat and light
16.reaction where positive ion of one compound replaces positive ion of another to form 2 new compounds
17.describes a chemical reaction by using formulas and other symbols
18.reaction when a substance breaks down into two or more substances
19.reactions where energy is given off in the form of heat
Down
2.energy in the form of heat is needed for this type of reaction
3.gain of electrons
6.reaction where two or more substances combine to form another substance
7.the substances that react
8.reaction where one element replaces another element in a compound
9.change in which one or more substances are converted into new substances
10.insoluble compound that comes out of a solution during double-displacement reaction
15.slows down rate of chemical reaction

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