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A scintillation counter detects radioactivity by:
A) developing film which is exposed by radioactive particles.
B) emission of light from a NaI crystal when radioactivity passes through the crystal.
C) ionization of argon gas in a chamber which produces an electrical signal.
D) analyzing the mass and velocity of each particle.
E) none of the above

Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
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