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There were actually four elements discovered in the 1990s. Darmstadtium was discovered on November 9, 1994. Roentgenium was discovered on December 8, 1994. Copernicium was discovered on February 9, 1996. Flerovium was informally identified in January of 1999.

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What two elements were discovered in 1990's?

No elements were discovered in 1990. Two elements were discovered in 1994. They were Darmstadtium (atomic number 110) and Roentgenium (atomic number 111). Copernicium was discovered in 1996 and Fleroovium was discovered in 1999.


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Two elements discovered in the 1990s are Darmstadtium (Ds) in 1994 and Roentgenium (Rg) in 1994. Both are synthetic elements and are highly radioactive with short half-lives.


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