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Card 16

Front

the formation of solid crystals from a solution

Back

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Card 17

Front

an electric current that only flows in one direction

Back

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Card 18

Front

the process by which an electric current causes a solution, containing ions, to undergo chemical decomposition

Back

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Card 19

Front

a negatively charged particle that orbits the nucleus

Back

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Card 20

Front

a chemical reaction that takes in energy (heat) from its surroundings so that the products have more energy than its reactants

Back

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Card 21

Front

a chemical reaction that gives out energy (heat) to its surroundings so that the products have less energy than its reactants

Back

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Card 22

Front

chemicals manufactured on a small scale

Back

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Card 23

Front

the number of times that something happens in a set period of time; the number of times a wave oscillates in one second; measured in hertz

Back

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Card 24

Front

the energy an object has because of its height and mass above the Earth

Back

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Card 25

Front

a vertical column of elements in the periodic table

Back

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