francium मीनिंग इन हिंदी

अधिक: आगे

Anyway, too little again about all ( even francium ).
Would have thought francium, if not for its radioactivity.
Taken from SUNY Stony Brook's Francium news page.
Francium-221 has a half-life of 4.8 minutes.
Cropped image of device used to trap Francium atoms.
Germanium, Europium, Francium, and Americum, are some of the obvious ones.
Some of these nuclides are very short-lived, such as isotopes of francium.
I'll reread the ChemEducator entry, which focuses on the discovery of francium.
Recently, Sprouse and his colleagues have analyzed trapped clouds of atoms of the element francium.
Bulk francium has never been viewed.

संज्ञा.

a radioactive element of the alkali-metal group discovered as a disintegration product of actinium
पर्याय: Fr, atomic number 87