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ch. 6 test #2 vocab
vocab
| Question | Answer |
|---|---|
| ion | an atom that has lost or gained one or more electrons and carries an electric charge |
| ionic bond | an electrical attraction between 2 oppositely charged atoms or groups of atoms called ions |
| van der waals forces | when molecules come close together, the attractive force between these positive and negative regions pull on the molecules and hold them togethe |
| chemical reactions | process by which atoms or groups of atoms in substances are reorganized into different substances |
| reactants | a chemical equation that shows the starting substances on the left side of the arrow |
| products | substances formed during the reaction on the right side of the arrow |
| activation energy | minimum amount of energy needed for reactants to form products in a chemical reaction |
| catalyst | a substance that lowers the activation energy needed to start a chemical reaction |
| enzymes | special proteins, the biological catalysts that speed up the rate of chemical reactions in biological processes |
| substrates | reactants that bind to the enzymes |
Created by:
ashshack
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