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Which element is the most reactive metal?
Quick Answer
Francium is considered the most reactive metal, although it is extremely rare and short-lived.
The Full Story
Francium is the most reactive metal in the periodic table, but it is also one of the rarest. It is a radioactive alkali metal discovered in 1939 by Marguerite Perey. Because its isotopes decay quickly, francium has never been studied in large visible amounts. Its position at the bottom of Group 1 gives it the strongest metallic reactivity in theory.
Key Facts
1.Francium was discovered in 1939
2.Symbol: Fr
3.It is a radioactive alkali metal
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