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.
The osmium-platinum alloy is harder than pure platinum. Some alloys of osmium and platinum are also used to make specialized laboratory equipment. Finely divided osmium metal is also used as a catalyst. A catalyst is a substance used to speed up or slow down a chemical reaction.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.