You mean plutonium....
Plutonium is a radioactive substance which is a compound of Radon through fission energy made by Marie Curie.
There are many different ways atoms were named, americium, fancium, and germanium got their names from countries. Californium was named after California. Europium is named after Europe. Uranium, Plotonium, and Neptunium are named after planets. Einsteinium and Mendelevium are named after scientists. The magority of the rest mainly come from latin names.
9 letter p words: * paragraph * palatable * pantomine * paralysis * paramount * parchment * photocopy * petticoat * petroleum * pesticide * pertinent * personage * pedometer * persevere * permanent * persimmon * perimeter * publicity * publicize * pulsation * provision * prophetic * prosecute * proposal * propagate * propeller * proofread * promenade * professor * probation * principle * principal * priestess * primitive * privateer * premature * president * prevalent * priceless * perforate * parentage * parsonage * passenger * patchwork * patriarch * patrolman * peninsula * penthouse * percolate * perfection * predatory * practical * peaceable * precipice * posterity * potassium * policeman * political * porcupine * pollution * pollutant * plotonium * pluralize * plumbing * poisonous * plausible * plenteous * plowshare * planetary * plaintive * placekick * pitchfork * pineapple * physicist * photocopy * petroleum * pessimist * pertinent * personify * personnel
Jupiter's atmosphere is composed of the following:Molecular hydrogen (H2) - 89.8% (+/- 2.0%)Helium (He) - 10.2% (+/- 2.0%)Methane (CH4) - 3000 ppm (+/- 1000 ppm)Ammonia (NH3) - 260 ppm (+/- 40 ppm)Hydrogen Deuteride (HD) - 28 ppm (+/-10 ppm)Ethane (C2H6) - 5.8 ppm (+/- 1.5ppm)Water (H2O) - 4 ppm (varies with pressure)Small amounts of aerosols, including ammonia ice, water ice, and ammonia hydrosulfide