Get Career Tips & Advice. Weâve got serious career advice, with a side of sass, on careers, salary negotiation and professional growth â and the data to back it up. The world of work has changed dramatically. The same old career advice just doesnât cut it.
Rutherfordium is a chemical element with symbol Rf and atomic number 104, named in honor of physicist Ernest Rutherford.
Holmium was discovered in France by the Frenchman Jacques-Louis Soret in 1878. Holmium was discovered by Per Theodor Cleve, a Swedish chemist, in 1879. Cleve used the same m â¦ ethod Carl Gustaf Mosander used to discover lanthanum, erbium and terbium, he looked for impurities in the oxides of other rare earth elements.