Investing in Francium

Francium is a highly radioactive alkali metal which exists in trace amounts in uranium and thorium ores. It is the most electronegative element. There is only an estimated 30g of francium in the Earth's crust, making it the second rarest element, after astatine. It is one of the six elements that are liquid near room temperature. The others are caesium, mercury, gallium, rubidium, and bromine.

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