Category: Periodic Table

Gallium Symbol Ga Atomic Number 31 Atomic Mass 69.72 g.mol -1 Discovered by Paul-Émile Lecoq de Boisbaudran Chemical Properties Of Gallium Group 13 Melting point 29.8 °C Period 4 Boiling point 2204 °C Block p Density (g cm−3) 5.91 Atomic number 31 Relative atomic mass 69.723 State at 20°C Solid Key isotopes 69Ga Electron configuration…

Zinc Symbol Zn Atomic Number 30 Atomic Mass 65.37 g.mol−1 Discovered by Andreas Marggraf Chemical Properties of Zinc Group 12 Melting point 419.527°C, 787.149°F, 692.677 K Period 4 Boiling point 907°C, 1665°F, 1180 K Block d Density (g cm−3) 7.134 Atomic number 30 Relative atomic mass 65.38   State at 20°C Solid Key isotopes 64Zn…

Copper (Cu) Copper Symbol Cu Atomic Number of Copper 29 Atomic Mass of Copper 63.546 g.cm-3 at 20°C  Discovered by – Chemical Properties Of Copper Group 11 Melting point 1084.62°C, 1984.32°F, 1357.77 K Period 4 Boiling point 2560°C, 4640°F, 2833 K Block d Density (g cm−3) 8.96 Atomic number 29 Relative atomic mass 63.546  State at…

Nickel Symbol Ni Atomic Number 28 Atomic Mass 58.693 Discovered by Nickel was discovered by Axel Fredrik Cronstedt Chemical Properties Of Nickel Group 10 Melting point 1455°C, 2651°F, 1728 K Period 4 Boiling point 2913°C, 5275°F, 3186 K Block d Density (g cm−3) 8.90 Atomic number 28 Relative atomic mass 58.693 State at 20°C Solid…

Cobalt Symbol Co Atomic Number 27 Atomic Mass 58.933 Discovered by Cobalt was discovered by Georg Brandt Chemical Properties Of Cobalt Group 9 Melting point 1495°C, 2723°F, 1768 K Period 4 Boiling point 2927°C, 5301°F, 3200 K Block d Density (g cm−3) 8.86 Atomic number 27 Relative atomic mass 58.933 State at 20°C Solid Key…

Manganese Manganese Symbol Mn Manganese Atomic Number 25 Manganese Atomic Mass 54.9380 g.mol-1 Discovered by Johan Gottlieb Gahn What is Manganese? Manganese, a chemical element that has a symbol Mn and atomic number 25. This element is not found as a free element in nature but available in combination with iron and other minerals. It is a…

Chromium Symbol Cr Atomic Number 24 Atomic Mass 51.996 g.mol -1 Discovered by Vaughlin in 1797 The Electronic configuration of chromium is [Ar]3d5 4s1. Chemical Properties Of Chromium Group 6 Melting point 1907 °C Period 4 Boiling point 2672 °C Block d Density (g cm−3) 7.19 g.cm-3 at 20°C Atomic number 24 Relative atomic mass 51.996 State at…

Vanadium (V) Symbol V Atomic Number 23 Atomic Mass 50.9414 g.mol -1 Discovered by Nils Sefstrom in 1830 Chemical Properties Of Vanadium Group 5 Melting point 1910°C, 3470°F, 2183 K Period 4 Boiling point 3407°C, 6165°F, 3680 K Block d Density (g cm−3) 6.0 Atomic number 23 Relative atomic mass 50.942 State at 20°C Solid…

Titanium Symbol Ti Atomic Number 22 Atomic Mass 47.867 Discovered by Titanium was discovered by William Gregor Chemical Properties Of Titanium Group 4 Melting point 1941 K  (1668 °C, 3034 °F) Period 4 Boiling point 3560 K (3287 °C, 5949 °F) Block d Density (g cm−3) 4.506 Atomic number 22 Relative atomic mass 47.867 State at 20°C Solid Key isotopes 48Ti…

Scandium (Sc) Symbol Sc Atomic Number 21 Atomic Mass 44.955 908(5) Discovered by Lars Frederik Nilson in 1879 Chemical Properties of Scandium Group 3 Melting point 1541°C, 2806°F, 1814 K Period 4 Boiling point 2836°C, 5137°F, 3109 K Block d Density (g cm−3) 2.99 Atomic number 21 Relative atomic mass 44.956 State at 20°C Solid…