1  2  3

1  _  _  _

2  _  _  _

3  _  _  _


ACROSS
1)  a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
2)  (astrology) a person who is born while the sun is in ___
3)  diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used


DOWN
1)  quantifier; used with either mass or count nouns to indicate the whole number or amount of or every one of a class
2)  the starting place for each hole on a golf course
3)  surface layer of ground containing a mat of grass and grass roots

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