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When radium decays
fiery neon green the second it hits ultraviolet light
Silver’s name comes from the Latin word for “shiny” or “white”
It is also used to make glass
but it is used in the production of TV picture tubes
Neptunium Element Cube Heritage Personal Museum When radium decaysNeptunium's atomic number is 93 and its symbol is Np. It is is a hard, silvery, ductile, radioactive actinide metal, and can be found in 5 different colors depending on its oxidation state. Neptunium's position in the periodic table just after uranium, named after the planet Uranus, led to it being named after Neptune, the next planet beyond Uranus. Also, it was the first trans uranium element, with an atomic mass heavier than uranium, once thought to
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