Discovery of copernicium

Copernicium is a synthetic chemical element; it has symbol Cn and atomic number 112. Its known isotopes are extremely radioactive, and have only been created in a laboratory. The most stable known isotope, copernicium-285, has a half-life of approximately 30 seconds.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Which happened first?

• Discovery of copernicium happened 2 years after Discovery of darmstadtium
• Discovery of copernicium happened 2 years after Discovery of roentgenium
• Discovery of copernicium happened 3 years before Discovery of flerovium
• Discovery of copernicium happened 4 years before Discovery of livermorium
• Discovery of copernicium happened 6 years before Discovery of oganesson

Timeline

1. Discovery of darmstadtiumNovember 9, 1994
2. Discovery of roentgeniumDecember 8, 1994
3. Discovery of copernicium (this page)1996
4. Discovery of fleroviumJanuary 1999
5. Discovery of livermoriumJuly 2000
6. Discovery of oganessonJune 2002

Related

• Discovery of hydrogen1766
• Discovery of oxygen1774
• Discovery of PlutoFebruary 18, 1930
• Discovery of carbon1789
• Discovery of aluminium1825
• Discovery of heliumAugust 18, 1868
• Discovery of nitrogen1772
• Discovery of sulfur1777