Discovery of dubnium

Dubnium is a synthetic chemical element; it has symbol Db and atomic number 105. It is highly radioactive: the most stable known isotope, dubnium-268, has a half-life of about 16 hours. This greatly limits extended research on the element.

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

Which happened first?

• Discovery of dubnium happened 4 years before Discovery of seaborgium
• Discovery of dubnium happened 6 years after Discovery of rutherfordium
• Discovery of dubnium happened 6 years before Discovery of bohrium
• Discovery of dubnium happened 9 years after Discovery of lawrencium
• Discovery of dubnium happened 12 years before Discovery of meitnerium

Timeline

1. Discovery of lawrenciumFebruary 14, 1961
2. Discovery of rutherfordium1964
3. Discovery of dubnium (this page)February 18, 1970
4. Discovery of seaborgiumJuly 1974
5. Discovery of bohrium1976
6. Discovery of meitneriumAugust 29, 1982

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