'Uranium 238' diaporamas de présentation

Uniformitarianism

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What happens during nuclear decay?

When Henri Becquerel placed uranium salts on a photographic plate and then developed the plate, he found a foggy image. The image was caused by rays that had not been observed before. For his discovery of radioactivity, Becquerel shared the 1903 Nobel Prize for Physics with Marie and Pierre Curie.

642 views • 62 slides

What is radiation?

What is radiation?. JEOPARDY!. NON-IONIZING RADIATON. SOURCES OF RADIATION. NUCLEAR DECAY. IONIZING RADIATION. HALF-LIFE. 200. 200. 200. 200. 200. 400. 400. 400. 400. 400. 600. 600. 600. 600. 600. 800. 800. 800. 800. 800. 1000. 1000. 1000. 1000. 1000. Final Jeopardy.

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Warm-up: March 5, 2012

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Introduction

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Stars as Nuclear Reactors

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Rubidium is a soft, silvery-white metal that has two common isotopes, Rubidium-85 and Rubidium-87. If the abundance of Rubidium-85 is 72.2% and Rubidium-87 is 27.8%, what is the average atomic mass?.

312 views • 5 slides