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Transuranium Elements - 1963 Chemistry Educational Documentary - WDTVLIVE42

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This film, produced in the Lawrence Radiation Laboratory of the University of California, Berkeley, features four scientists who were principals in the discovery and identification of several of the transuranium elements. Glenn Seaborg reviews the historical problem of the placement of the transuranium elements in the periodic table.

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Curium has 15 isotopes whose half-lives are known, with mass numbers 238 to 252. Curium has no naturally occurring isotopes. Its longest lived isotopes are 247Cm, with a half-life of 15.6 million years, 248Cm with a half-life of 340,000 years and 250Cm with a half-life of 9,000 years.

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http://education.jlab.org/itselemental/ele096.html

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Glenn Seaborg: Shaking Up the Periodic Table

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Hank synopsizes the life and work of Glenn Seaborg, pioneer of synthetic elements, member of the Manhattan Project, and the architect of the last great shake-up of the periodic table. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids?

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discoverd curium and other elements

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Hello YouTube! I am going to tell you about the element Curium. Source: http://education.jlab.org/itselemental/ele096.html

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It is a chemically active metal, reacting with air, water and acids but not bases.

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Currently, curium is used primarily for basic scientific research. Curium is radioacive so its shyed away from the avarge person. However it is used fairly for space equipment and pacemakers

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96

Cm

Curium

247

Atomic Number: 96

Atomic Weight: 247

Melting Point: 1618 K (1345°C or 2453°F)

Boiling Point: ~3400 K (~3100°C or ~5600°F)

Density: 13.51 grams per cubic centimeter

Phase at Room Temperature: Solid

Element Classification: Metal

Period Number: 7    Group Number: none    Group Name: Actinid