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7 Cards in this Set
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- 3rd side (hint)
Active metallic elements located in Group 1 of the periodic table. (87)
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What are the alkali metals?
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soft, shiny, reacts violently w/ water
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The reactive metallic elements located in Group 2 of the periodic table.
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What are the alkaline-earth metals?
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2 valence electrons as in Calcium; less reactive
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A positively charged particle, emitting by some radioactive nuclei, that consists of two protons and two neutrons. (221)
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What is an alpha particle?
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alpha rays or particles don't pass far through materials
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An electric current that changes directions at regular intervals.
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What is alternating current? (476)
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AC; produced by generators by turning mechanical energy to electrical energy.
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Any one of 20 different naturally occurring organic molecules that combine to form proteins.(134)
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What are Amino Acids?
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make up the protein molecule
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The greatest distance that particles in a medium move from their normal position when a wave passes by.
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What is amplitude?
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magnitude / greatness of size
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A signal corresponding to a quantity whose values can change continuously.
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What is an analog signal?
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data collected/presented in continuous form; voltage/temperature measurement
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