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Flashcard Set Science › Chemistry & Physics

Nuclear reactions

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Terms and definitions

Everything in this flashcard set.

uranium
A heavy toxic silvery-white radioactive metallic element
plutonium
A solid silvery grey radioactive transuranic element whose atoms can be split when bombarded
neutrons
An elementary particle with 0 charge and mass about equal to a proton (plural)
fusion
The state of being combined into one body
fission
Reproduction of some unicellular organisms by division of the cell into two more or less equal parts
helium
A very light colorless element that is one of the six inert gasses
stars
Twinkling lights in the night sky
decay
The organic phenomenon of rotting
halflife
The time required for something to fall to ___ its initial value
radioactivity
The spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
plasma
A fourth state of matter distinct from solid or liquid or gas and present in stars and fusion
energy
The power to do work or make things move
reactor
Any of several kinds of apparatus that maintain and control a nuclear ___ for the production
atomic bomb
A nuclear weapon in which enormous energy is released by nuclear fission
stable
A farm building for housing horses or other livestock
radioactive
Exhibiting or caused by ___
waste
An uninhabited wilderness that is worthless for cultivation

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