Trivia questions and answers, drawn fresh from the well

• Easy Easy difficulty.
• The Discovery Of Radioactivity

In what year did Rutherford coin the terms alpha ray and beta ray?

Answer

1899

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• Intermediate Intermediate difficulty.
• The Discovery Of Radioactivity

Thoron was later identified as which radon isotope?

Answer

radon-220

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• Easy Easy difficulty.
• The Discovery Of Radioactivity

At which Canadian university did Rutherford and Soddy study thorium radioactivity?

Answer

McGill University

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• Hard Hard difficulty.
• The Discovery Of Radioactivity

Curie and Debierne used what cathode material when first preparing radium metal?

Answer

mercury

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• Intermediate Intermediate difficulty.
• The Discovery Of Radioactivity

What radium compound was first isolated in a pure state?

Answer

radium chloride

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• Hard Hard difficulty.
• The Discovery Of Radioactivity

What color were the undocumented spectral lines that helped identify radium?

Answer

carmine

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• Intermediate Intermediate difficulty.
• The Discovery Of Radioactivity

In the Curies' radium mixture, barium compounds gave what flame color?

Answer

green

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• Intermediate Intermediate difficulty.
• The Discovery Of Radioactivity

Marie Curie found pitchblende was how many times as active as uranium itself?

Answer

four

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• Easy Easy difficulty.
• The Discovery Of Radioactivity

What did uranium rays cause the air around Marie Curie's samples to conduct?

Answer

electricity

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• Easy Easy difficulty.
• The Discovery Of Radioactivity

What color paper did Becquerel wrap around photographic plates in his uranium-ray experiments?

Answer

black

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• Intermediate Intermediate difficulty.
• The Discovery Of Radioactivity

On what date did Becquerel develop the unexpectedly strong dark-drawer photographic plates?

Answer

1 March 1896

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• Intermediate Intermediate difficulty.
• The Discovery Of Radioactivity

Which colleague read Röntgen's X-ray preprint at the French Academy meeting Becquerel attended in 1896?

Answer

Henri Poincaré

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