by abhishek | Aug 8, 2020 | Periodic Table
Atomic number : 5 Atomic mass : 10.81 g.mol-1 Electronegativity according to Pauling : 2.0 Density : 2.3 g.cm-3 at 20 °C Melting point : 2076 °C Boiling point : 3927 °C Vanderwaals radius : 0.098 nm Ionic radius : 0.027 nm Isotopes : 2 Electronic shell : [He] 2s22p1...
by abhishek | Aug 8, 2020 | Periodic Table
Atomic number : 4 Atomic mass : .9.01218 g.mol-1 Electronegativity according to Pauling : 1.5 Density : 1.86 g.cm-3 Melting point : 1280 °C Boiling point : 2970 °C Vanderwaals radius : unknown Ionic radius : unknown Isotopes : 1 Electronic shell : 1s2 2s2 or [He] 2s2...
by abhishek | Aug 8, 2020 | Periodic Table
Atomic number : 3 Atomic mass : 6.941 g.mol-1 Electronegativity according to Pauling : 1.0 Density : 0.53 g.cm-3 at 20 °C Melting point : 180.5 °C Boiling point : 1342 °C Vanderwaals radius : 0.145 nm Ionic radius : 0.06 nm Isotopes : 2 Electronic shell : 1s2 2s1 or...
by abhishek | Aug 8, 2020 | Periodic Table
Atomic number : 2 Atomic mass : 4.00260 g.mol-1 Electronegativity according to Pauling : 2.1 Density : 0.178*10-3 g.cm-3 at 20 °C Melting point : - 272.2 (26 atm) °C Boiling point : - 268.9 °C Vanderwaals radius : 0.118 nm Ionic radius : unknown Isotopes : 2...
by abhishek | Aug 8, 2020 | Periodic Table
Facts about Hydrogen The name Hydrogen is derived from the Greek words ‘Hydro’ and ‘Genes’ which together mean ‘Water Forming’ because water molecules contains atoms of hydrogen. It is the lightest element known. It is the most abundant element in the universe. Almost...
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