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Who accidentally discovered radioactivity when he left uranium salt in a desk drawer with a photographic plate?
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∙ 14y ago
Henri Becquerel in 1896.
Wiki User
∙ 14y ago
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How do minerals containing uranium darken photographic film?
Emitting alpha particles and gamma rays. These rays affect the photographic emulsion. The natural radioactivity of uranium was discovered by Henri Becquerel in 1896.
What did Bequerel find out about uranium?
In 1896 Henri Becquerel discovered by chance that uranium emit an unknown radiation which make traces on a photographic plate without direct contact. This phenomenon was called radioactivity.
Explain what Becquerel found out about uranium?
Becquerel discovered the natural radioactivity of uranium in 1896.
What did Marie curie call the energy that is spontaneously released by uranium?
Marie Curie referred to the energy spontaneously released by uranium as "radioactivity."
How many invention did maria curie invent?
She discovered radioactivity and 2 elements, polonium and radium.
Was Polonium discovered accidentally?
Polonium was discovered in 1898 by Marie Curie and Pierre Curie studying the radioactivity of uranium ores.
How do minerals containing uranium darken photographic film?
Emitting alpha particles and gamma rays. These rays affect the photographic emulsion. The natural radioactivity of uranium was discovered by Henri Becquerel in 1896.
How did Becquerel discovered radioactivity discovered radioactivity?
he noticed the first effects of radioactivity while he observed that with exposure to the sunlight the mineral gave off a penetrating energy that could expose film.
Is uranium the first radioactive element?
Radioactivity is discovered on uranium.
What did Bequerel find out about uranium?
In 1896 Henri Becquerel discovered by chance that uranium emit an unknown radiation which make traces on a photographic plate without direct contact. This phenomenon was called radioactivity.
WHO DISCOVered radioactivity in 1896?
Radioactivity was discovered in 1896 by Henri Becquerel, a French scientist, while testing phosphorescent materials with photographic plates. He discovered that, when the plates were covered with black paper, that phosphorescent materials did not affect the plates until he used uranium salts.
Who was the early U-235 regulator?
A U-235 is a radioactive Uranium regulator. This radioactivity was accidentally discovered in 1896 by French physicist Antoine Henri Becquerel.
Explain what Becquerel found out about uranium?
Becquerel discovered the natural radioactivity of uranium in 1896.
What did becquerel realize when working with uranium?
Becquerel observed accidentally that uranium emit radiations that strongly impress a photographic plate.
Who is famous for discoveries in radioactivity?
marie curie
How did Henri becquerel discover radioactivity?
In 1896, while investigating phosphorescence in uranium salts, Becquerel accidentally discovered radioactivity. Investigating the work of Wilhelm Conrad Röntgen, Becquerel wrapped a fluorescent substance, potassium uranyl sulfate, in photographic plates and black material in preparation for an experiment requiring bright sunlight. However, prior to actually performing the experiment, Becquerel found that the photographic plates were fully exposed. This discovery led Becquerel to investigate the spontaneous emission of nuclear radiation.
What did Marie curie call the energy that is spontaneously released by uranium?
Marie Curie referred to the energy spontaneously released by uranium as "radioactivity."
