Discovery of ruthenium

Ruthenium is a chemical element; it has symbol Ru and atomic number 44. It is a rare transition metal belonging to the platinum group of the periodic table. Like the other metals of the platinum group, ruthenium is unreactive to most chemicals.

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

Which happened first?

• Discovery of ruthenium happened 1 year after Discovery of terbium
• Discovery of ruthenium happened 1 year after Discovery of erbium
• Discovery of ruthenium happened 3 years after Discovery of praseodymium
• Discovery of ruthenium happened 5 years after Discovery of lanthanum
• Discovery of ruthenium happened 16 years before Discovery of caesium

Timeline

1. Discovery of lanthanumJanuary 1839
2. Discovery of praseodymium1841
3. Discovery of erbium1843
4. Discovery of terbium1843
5. Discovery of ruthenium (this page)1844
6. Discovery of caesium1860

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