Atoms of the same element are identical. The atoms of the one element are different from those of any other element. 3. Atoms of different elements can physically mix together or can chemically combine in simple whole-number ratios to form compounds.
iridium (symbol Ir) Silver-white, metallic element discovered in 1804 by the English chemist Smithson Tennant. A platinum-type metal, iridium is hard and brittle and the most corrosion-resistant metal. very rare element (0.0001 ppm of Earth 's crust), iridium is found in the naturally occurring alloys osmiridium (approximately 50% iridium) and iridiosmium (approximately 70% iridium) in Alaska and South Africa. It is obtained by igniting ammonium chloroiridate, (NH 4) 3 IrCl 6, in hydrogen atmosphere.
Cymbidium /sÉªmËbÉªdiÉm/ , or boat orchid, is a genus of 52 evergreen species in the orchid family Orchidaceae.The new Latin genus name is derived from the Latin cymba meaning boat.sian Cymbidiums or Chinese Cymbidiums refer to mainly five species of cymbidiums orchids that are found throughout East Asia in areas of China, Korea, Japan, India, and in parts of Thailand and Vietnam. These species are usually grown for their variegated leaves.