1898 by Marie and & Perri Currie
(I'm doing polonium for my project to...)
Polonium was discovered by Marie Curie and her husband, Pierre Curie, in 1898. They isolated it from pitchblende ore.
polonuim is now changing the world on how people use drugs
Polonium is in the p block. It has 84 protons in a single atom.
polonium
Polonium has properties of both metals and non metals. It is hence considered to be a metalloid.
Polonium is a metal element. Atomic mass of it is 209.
This is a chemical element. You can find the how many electron in a single atom by using a periodic table.
She was a scientist. She won the Nobel Prize because she worked hard and she invented things we need such as a medicine to cure cancer. She also proved her work. :) She also dicovered radium and polonuim
The past tense of "discovered" is "discovered."
The first person to discover Saturn`s moons was Christian Huygens in 1655. The following moons discovered in order are: Titan Discovered:1655 Discovered by:Christian Huygens Iapetus Discovered:1671 Discovered by:Giovanni Cassini Rhea Discovered:1672 Discovered by:Giovanni Cassini Tethys Discovered:1684 Discovered by:Giovanni Cassini Dione Discovered:1684 Discovered by:Giovanni Cassini Enceladus Discovered:1789 Discovered by:William Herschel Mimas Discovered:1789 Discovered by:William Herschel Hyperion Discovered:1848 Discovered by:William Lassell Phoebe Discovered:1898 Discovered by:William Pickering Janus Discovered:1965-1966 Discovered by: Audouin Dollfus Epimetheus Discovered:1966 Discovered by:Richard Walker Helene Discovered:1980 Discovered by: Pierre Laques Telesto Discovered:1980 Discovered by:Bradford Smith Calypso Discovered:1980 Discovered by:Dan Pascu Prometheus Discovered:1980 Discovered by:Stewart Collins Pandora Discovered:1980 Discovered by:Stewart Collins Atlas Discovered:1980 Discovered by:Richard Terrile Pan Discovered:1981 Discovered by:Showalter Other astronomers:Kevin Beurile, Brett Gladman, Matthew Holman and others. If you want to see the rest, go to wikipedia.com to see the article Timeline discovery of solar system planets and their moons.
The murals were discovered in 1928. The murals were discovered in 1928. The murals were discovered in 1928.
Who discovered carbon and when Who discovered carbon and when