2006-11-23 05:56:54 · 9 answers · asked by Gym Girl 2 in Science & Mathematics ➔ Chemistry
Synthetic elements, in chemistry, radioactive elements that were not discovered occurring in nature but as artificially produced isotopes. They are technetium (at. no. 43), which was the first element to be synthesized, promethium (at. no. 61), astatine (at. no. 85), francium (at. no. 87), and the transuranium elements (at. no. 93 and beyond in the periodic table).
2006-11-23 06:04:33 · answer #1 · answered by Anonymous · 1⤊ 0⤋
Bucks Fizz
2006-11-23 07:36:15 · answer #2 · answered by Birdman 7 · 0⤊ 0⤋
Einstenium
2006-11-23 06:04:15 · answer #3 · answered by Anonymous · 0⤊ 0⤋
There are several of them. Aluminium does not occur in its metallic state in nature.
2006-11-24 12:46:48 · answer #4 · answered by beernutuk 3 · 0⤊ 0⤋
Most of those with atomic numbers over 90.
2006-11-23 06:04:04 · answer #5 · answered by Anonymous · 0⤊ 0⤋
Buckminster fuller I think
2006-11-23 05:59:52 · answer #6 · answered by Anonymous · 0⤊ 0⤋
Bucky Balls (Buckminsterfullerene) is one. Carbon Isotope.
2006-11-23 07:55:08 · answer #7 · answered by Phish 5 · 0⤊ 0⤋
Plutonium is one.
2006-11-23 06:02:11 · answer #8 · answered by Charles D 2 · 0⤊ 0⤋
technetium is prpably the one you need.
2006-11-23 06:18:15 · answer #9 · answered by koolguy 2 · 0⤊ 0⤋