From Arsenic to Zirconium

URANIUM, U

THE WRATH UNLEASHED . . .

“E’er since my rays were first exposed, the world’s ne’er been the same,

The wrath unleashed when e’er I’m split, mankind’s done well to tame!

Once ‘235’ depletes enough,

DU rights ships when seas get rough.

Alas, still used in sharp-nosed shells, to man’s ongoing shame!”

“E’er since my rays were first exposed, the world’s ne’er been the same,

FOURTH IN THE ACTINOID SERIES

Uranium, with its atomic number of 92, is generally regarded as the last of the naturally occurring elements on Earth. All elements beyond uranium on the periodic table are considered synthetic, with a caveat. While, strictly speaking, ...