Best Answer: Along with hundreds of other common foods and household items, they contain the aquatic plants known as seaweed. These are cheese and chocolate milk, peanut butter and pudding, frozen desserts and fruit drinks. Product Containing Algae !
Erbium is never found in nature as the free element. Erbium is found in the ores monazite sand [(Ce, La, etc.)PO 4 ] and bastnÂ°site [(Ce, La, etc.)(CO 3)F], ores containing small amounts of all the rare earth metals. It is difficult to separate from other rare earth elements.
Roentgenium is a synthetic radioactive metal, created via nuclear bombardment, and has only been produced in minute amounts. Roentgenium is produced by bombarding 209 Bi with 64 Ni in a heavy ion accelerator. Isotopes: Roentgenium has one isotope whose half-live is known, 269 Rg, with a half-life of 1.5 milliseconds.