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Matter & Change - Buthelezi, Dingrandio, Hainen, Wistrom, Zike, 1e, Nuclear Chemistry
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Marie Curie and her husband Pierre Curie concluded that the darkening of the photographic plates was due
to rays emitted from the uranium atoms present in a mineral sample. Marie Curie named the process by
which materials give off such rays
the rays and particles emitted by such a
source are called
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Answer 1

uranium emitted radiation without an external source of energy such as the sun. X-rays are neutral and cannot be bent in a magnetic field. The term radioactivity was actually coined by Marie Curie, who together with her husband named these alpha, beta, and gamma particles

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