Historical Examples. 1  I remembered the helpless kid that Paralus confided to my care.  2 But you went to Athens, and took no care for your country, rejoined the prince. 3  Being under his care, it was his duty to keep it in good condition. 4  Your brother was foolish enough to leave his boat in Rushton's care.
Cadmium. Cadmium is a lustrous, silver-white, ductile, very malleable metal. Its surface has a bluish tinge and the metal is soft enough to be cut with a knife, but it tarnishes in air. It is soluble in acids but not in alkalis.
Osmium was discovered in 1804 by English chemist Smithson Tennant (1761-1815). Tennant found the new element in an ore of platinum. Osmium is a very rare element and has few commercial uses. Osmium tetroxide (OsO 4), is more widely used, however, because it is so active.verview. Osmium is an element in Group 8 (VIIIB) of the periodic table. The periodic table is a chart showing how chemical elements are related to one another. Osmium is also a member of the platinum family. This family consists of five other elements: ruthenium, rhodium, palladium, indium, and platinum.