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Bryan Rieger · Answer 1 · 2022-05-23T12:07:00+0000

Answer:

"Francium"

Step-by-step explanation:

"Francium" is a chemical element with the symbol "Fr" and the atomic number "87". Classified as an "alkali metal", Francium is a solid at room temperature.

Atomic Mass: "223.01973u"

Year Discovered: "1939"

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