osmium-187

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Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Titanic infographic. The 30th anniversary of its discovery is September 1, 2015. SPOTLIGHT VERSION.

Timeline of the Titanic’s Final Hours

Rural Irish landscape, Sligo, Ireland.

Why Is Ireland Two Countries?

illustration of the walking titanosaurus, Patagotitan mayorum

Titanosaurs: 8 of the World's Biggest Dinosaurs

July, 2006, Launch of Space Shuttle Discovery STS-121. See attached for full caption information.

Will Light-Speed Space Travel Ever Be Possible?

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

osmium-187

isotope

Learn about this topic in these articles:

osmium

In osmium
59 percent), osmium-187 (1.96 percent), osmium-188 (13.24 percent), osmium-189 (16.15 percent), osmium-190 (26.26 percent), and osmium-192 (40.78 percent).
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radioactivity

In spectroscopy: Thermal atomization
…isotope rhenium-187 (¹⁸⁷Re) decays to osmium-187 (¹⁸⁷Os) having a half-life of 43 billion years; hence, the Re-Os system can be used to determine when geologic materials were solidified in Earth.
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