A Visual Encyclopedia of the Periodic Table

79 Transition Metals Molybdenum, Technetium Tc 43 Technetium was the first element to be produced artificially by researchers. I ...

80 Ru 44 44 44 57 State: Solid Discovery: 1844 Forms Uses Ruthenium This component contains ruthenium dioxide. This yellow-brown ...

81 Transition Metals Rhodium Rh 45 45 45 58 State: Solid Discovery: 1803 Forms Uses This golden mineral is defined by its needle ...

82 Transition Metals Blue Ridge mines, South Africa Forms Uses Palladium Pd 46 Palladium is a rare, precious metal: it is 10 tim ...

83 Transition Metals precious, it is used to make commemorative coins in some countries. Palladium is alloyed with steel to make ...

84 Transition Metals This mineral’s colour changes to purple when it is exposed to bright light. Black silver sulfide forms twis ...

85 Glass infused with silver chloride turns brownish when exposed to sunlight. The polished surface has a pale, metallic shine. ...

86 Transition Metals Cadmium Cd 48 Forms Uses Cadmium is a highly toxic metal, and is known to cause cancer. This rare element i ...

87 Transition Metals Cadmium, Hafnium Hf 72 Forms Uses Hafnium is named after Hafnia, the Latin word for the city of Copenhagen ...

88 Transition Metals Ta 73 Tantalum is a hard metal named after Tantalus, a man from Greek mythology who was punished by the god ...

89 Transition Metals Tantalum, Tungsten W 74 Tungsten has the highest melting point of any metal: it turns to liquid at a searin ...

90 Re 75 Rhenium is very rare in nature: only one atom out of every billion in Earth’s crust is a rhenium atom. Discovered in Ge ...

91 Transition Metals Osmium Os 76 Osmium is the densest of all naturally occurring elements: 250 ml (8.5 fl oz) of this metal (i ...

92 Transition Metals Forms Iridium Ir 77 77 77 115 State: Solid Discovery: 1803 Iridium is the rarest natural element on Earth: ...

93 Uses explosion 66 million years ago when a large meteorite hit our planet. The applications of this element include coating t ...

94 Transition Metals This dense, shiny mineral consisting of platinum and arsenic is the most common ore of platinum. Forms Plat ...

95 Transition Metals Although platinum had been in use in jewellery on the west coast of South America for more than 2,000 years ...

96 Transtion Metals These flakes of pure gold are locked into quartz crystals. Pure gold has a dark yellow colour unlike any oth ...

97 Transtion Metals gold dust with water or strong acids. The applications for gold include heat shields in astronaut’s visors. ...

Golden Buddha A precious statue of Buddha with one thousand eyes and one thousand hands stands in Long Son Pagoda, a temple in N ...