chemistry
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Alpha particle | a helium nucleus emitted by some radioactive substances, originally regarded as a ray.
α, α2+, He2+
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| Beta particle | a fast-moving electron emitted by radioactive decay of substances. (The emission of beta particles was originally regarded as a ray.). B or B-
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| Gamma ray | penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei.
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| Half-Life | the time taken for the radioactivity of a specified isotope to fall to half its original value.
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| Fission | is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts (lighter nuclei).
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| is the combining of nuclei to form a bigger and heavier nucleus.
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| background radiation | to the radiation originating from sources other than the sources being observed.
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| theory of relativity | Physics. a theory, formulated essentially by Albert Einstein, that all motion must be defined relative to a frame of reference and that space and time are relative, rather than absolute concepts: it consists of two principal parts.
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| strong force | Also called nuclear force. the short-range attractive force between baryons that holds together the nucleus of the atom.
2.
Also called color force. the force between quarks.
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| chernobyl | A city of northern Ukraine near the border of Belarus. It was evacuated and remains uninhabited as a result of a major nuclear power plant accident nearby on April 26, 1986.
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| mass effect | missing mass after a reaction
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| wipp |
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Created by:
domosantana
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