calcium-48
Noun. (isotope) A naturally-occurring radioactive isotope of calcium, (nuclide, 48) , having twenty protons and twenty-eight neutrons, and a half-life of 4.3x1019 years.This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.
This entry was last updated on RefTopia from its source on 3/20/2012.