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7 Cards in this Set

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