Francium was discovered by Marguerite Perey in 1939 when she was researching in radioactive decay of actinium-227. The discovery took place at the Curie Institute in Paris. The element takes its name from the country of its discovery-France.
Francium has 87 protons, 136 electrons, and 87 electrons. its mass is 223!!
There's no physical or chemical properties w/ francium.
FUN FACTS: Francium is HEAVY; It's a radioactive metal with a maximum half-life of only 22 mins; Francium is the 2nd rarest element in Earth's crust.