Chemistry, asked by mudit11, 1 year ago

What is francium? Write about it.

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Answered by rajtiwari

1

hi buddy my name is also mudit and my school name is Raj
Francium is a chemical element with symbol Fr and atomic number 87. It used to be known as eka-caesium and actinium K.[a] It is the second-least electronegative element, behind only caesium, and is the second rarestnaturally occurring element (after astatine). Francium is a highly radioactive metal that decays into astatine, radium, and radon. As an alkali metal, it has one valence electron.
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