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French scientist Margeurite Perey discovered francium (Fr, atomic #87) in 1939, naming it after her home country. Francium is extremely rare and is a radioactive decay by-product. Only 20-30 grams (about 1 ounce) exist naturally in the earth's crust at any given moment. Many of its physical properties are unknown because of its extremely small quantities and the fact that its three primary isotopes decay in a matter of minutes.
What else can I help you with?
What is the atomic number of francuim?
Francium is a non meta element. Atomic number of it is 87.
What element supports all animal and plant life?
co2 and o2
In the periodic table which column contains the elements which were discovered most recently?
The latest confirmed element discovered was Livermorium, 116Lv, in 2000. Ununseptium is not officially credited as "discovered" by the IUPAC/IUPAP Joint Working Party, but it is the most recently synthesized element, made in 2010.
What element can kill humans if too much of it is consumed?
Mercury. Could kill someone easily. Uranium radioactive and can kill Francuim radioactive and can kill. And also blows up like a bomb.
What is the past tense of discovered?
The past tense of "discovered" is "discovered."
Who discovered Saturn moons?
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.
When mural discovered?
The murals were discovered in 1928. The murals were discovered in 1928. The murals were discovered in 1928.
Who discovered carbon 16?
Who discovered carbon and when Who discovered carbon and when
Who was sulfur discovered by and what year was sulfur discovered?
The man that discovered sulfur was Antoine Lavoisier and he discovered it in 1777
Who discovered in the US?
it was discovered at ?
When was the mesosphere discovered?
It was discovered on April 1st 1926.It was discovered by enstein.
When was atherosclerosis discovered?
my neighbor discovered it
