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Rhenium Re (Element 75) of Periodic Table

75 Re (Rhenium) It is a silvery white metal with a metallic luster, it is rarely seen as […]

76 Os (Osmium) Osmium metal is a bluish white, lustrous, extremely hard, and brittle even at high temperatures.

77 Ir (Iridium) Iridium is a hard, brittle, lustrous, dense, silvery-white with a slight yellowish cast metal of

78 Pt (Platinum) Pure Platinum is a malleable, ductile, lustrous, silvery-white metal. It has the 3rd highest density,

79 Au (Gold) Of all the elements, Apparence of pure gold (24 carat) is the most beautiful. It

80 Hg (Mercury) It is a heavy, silvery-white metal, and sometimes called it quicksilver. Mercury is the only

81 Tl (Thallium) Appearance: Silvery white Mass number: 204 Standard Atomic weight: 204.38 g/mol Atomic number (Z): 81

82 Pb (Lead) Appearance: Metallic gray Standard Atomic weight: 207.2 g/mol Mass number: 207 Atomic number (Z): 82

83 Bi (Bismuth) Appearance: lustrous brownish silver Mass number: 209 Standard atomic weight: 208.9804 g/mol Atomic number (Z):

84 Po (Polonium) Appearance: Silvery Allotropes: α-Po, β-Po Mass number: 209 Atomic weight: 208.9824 g/mol Atomic number (Z):

85 At (Astatine) Appearance: Unknown, (Probably metallic) Mass number: 210 Atomic weight: 209.9871 g/mol Atomic number (Z): 85

86 Rn (Radon) Appearance: Colorless gas, Occasionally glows green or red in discharge tubes Mass number: 222 Atomic

87 Fr (Francium) Appearance: An intensely radioactive metal. Mass number: 223 Atomic weight: 223.0197 g/mol Atomic number (Z):

88 Ra (Radium) Appearance: Soft, shiny, Silvery white metallic Mass number: 226 Atomic weight: 226.0254 g/mol Atomic number(Z):

89 Ac (Actinium) Appearance: Soft, Silvery-white, glows in the dark with a pale blue light because intense radioactivity

90 Th (Thorium) Appearance: Silvery, often with black tarnish Atomic weight: 232.0377 Atomic number (Z): 90 Electrons: 90