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Francium was discovered by Marguerite Perey (from France) in 1939 during a study on actinium-227: she observed an energy level possibly attributable to a new element. After some chemical experiments she was sure that the radiation is from a new chemical element, after this called francium.
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Why was francium not discovered?
Francium was discovered, see the link.
When did element francium discovered?
Francium was discovered by Marguerite Perey in 1939.
When was francium discovered and by whom?
Radon (element #86) was discovered in 1900. Francium (#87) was discovered in 1939. Francium is the second rarest naturally occurring element. It is also one of the most reactive elements known to man and has a high isotopic instability, with a half life of about 22 minutes. Francium is a part of the Alkali metals group, which are all quite reactive with water and air, Francium being the most reactive. Francium will react explosively upon contact with air, and you wouldn't want to be there if it came into contact with water.
What country first discovered antarctica?
england
How francium was discovered?
Francium was discovered by Marguerite Perey in 1939 during a study on actinium-227: she observed an energy level possibly attributable to a new element. After some chemical experiments she was sure that the radiation is from a new chemical element, after this called francium.
Why was francium not discovered?
Francium was discovered, see the link.
When did element francium discovered?
Francium was discovered by Marguerite Perey in 1939.
When was the element francium discovered and by whom?
Francium was discovered by Marguerite Perey in 1939.
Where francium was discovered?
Francium was discovered by Marguerite Perey in 1939, in Paris (France)..
Who discovered Francium?
Marguerite Perey Francium was discovered by Marguerite Perey in France in 1939.
The discovery of francium?
Francium was discovered by Marguerite Perey in 1939.
What makes francium?
Francium was discovered by Marguerite Perey in 1939.
Who discrovered francium?
Francium was discovered by Marguerite Perey in 1939.
When did francium get made?
Francium was discovered by Marguerite Perey in 1939.
Francium 80 years?
Francium was discovered by Marguerite Perey in 1939.
Francium invented later?
Francium was discovered by Marguerite Perey in 1939.
Does francium have any older names?
Yes, Francium has a couple older names. The first time it was discovered, it was called "eka-caesium." The second name was "moldavium."
