Periodic Table Name Symbol Atomic Number Weight Electro-negativity Ionization Energy eV Melting Point K Hydrogen H 1 1.0079 2.1 13.5984 13.81 Helium He 2 4.0026 24.5874 Lithium Li 3 6.941 0.98 5.3917 453.65 Beryllium Be 4 9.0122 1.57 9.3227 1560. Boron B 5 10.811 2.04 8.298 2348. Carbon C 6 12.0107 2.55 11.2603 Nitrogen N 7 14.0067 3.04 14.5341 63.15 Oxygen O 8 15.9994 3.44 13.6181 54.36 Fluorine F 9 18.9984 3.98 17.4228 53.53 Neon Ne 10 20.1797 21.5646 24.56 Sodium Na 11 22.9899 0.93 5.1391 370.87 Magnesium Mg 12 24.3050 1.31 7.6462 923. Aluminium Al 13 26.9815 1.61 5.9858 933.47
Periodic Table Name Symbol Atomic Number Weight Electro-negativity Ionization Energy eV Melting Point K Hydrogen H 1 1.0079 2.1 13.5984 13.81 Helium He 2 4.0026 24.5874 Lithium Li 3 6.941 0.98 5.3917 453.65 Beryllium Be 4 9.0122 1.57 9.3227 1560. Boron B 5 10.811 2.04 8.298 2348. Carbon C 6 12.0107 2.55 11.2603 Nitrogen N 7 14.0067 3.04 14.5341 63.15 Oxygen O 8 15.9994 3.44 13.6181 54.36 Fluorine F 9 18.9984 3.98 17.4228 53.53 Neon Ne 10 20.1797 21.5646 24.56 Sodium Na 11 22.9899 0.93 5.1391 370.87 Magnesium Mg 12 24.3050 1.31 7.6462 923. Aluminium Al 13 26.9815 1.61 5.9858 933.47
Ionization Energy (eV) Periodic Table Name Symbol Atomic Number Weight Electro-negativity Ionization Energy (eV) Melting Point (K) Hydrogen H 1 1.0079 2.1 13.5984 13.81 Helium He 2 4.0026 24.5874 Lithium Li 3 6.941 0.98 5.3917 453.65 Beryllium Be 4 9.0122 1.57 9.3227 1560. Boron B 5 10.811 2.04 8.298 2348. Carbon C 6 12.0107 2.55 11.2603 Nitrogen N 7 14.0067 3.04 14.5341 63.15 Oxygen O 8 15.9994 3.44 13.6181 54.36 Fluorine F 9 18.9984 3.98 17.4228 53.53 Neon Ne 10 20.1797 21.5646 24.56 Sodium Na 11 22.9899 0.93 5.1391 370.87 Magnesium Mg 12 24.3050 1.31 7.6462 923. Aluminium Al 13 26.9815 1.61 5.9858 933.47
Ionization Energy (eV) Periodic Table Name Symbol Atomic Number Atomic Weight Electro-negativity Ionization Energy (eV) Melting Point (K) Hydrogen H 1 1.0079 2.1 13.5984 13.81 Helium He 2 4.0026 24.5874 Lithium Li 3 6.941 0.98 5.3917 453.65 Beryllium Be 4 9.0122 1.57 9.3227 1560. Boron B 5 10.811 2.04 8.298 2348. Carbon C 6 12.0107 2.55 11.2603 Nitrogen N 7 14.0067 3.04 14.5341 63.15 Oxygen O 8 15.9994 3.44 13.6181 54.36 Fluorine F 9 18.9984 3.98 17.4228 53.53 Neon Ne 10 20.1797 21.5646 24.56 Sodium Na 11 22.9899 0.93 5.1391 370.87 Magnesium Mg 12 24.3050 1.31 7.6462 923. Aluminium Al 13 26.9815 1.61 5.9858 933.47
Periodic Table Name Symbol Atomic Number Weight Electro-negativity Ionization Energy (eV) Melting Point (K) Hydrogen H 1 1.0079 2.1 13.5984 13.81 Helium He 2 4.0026 24.5874 Lithium Li 3 6.941 0.98 5.3917 453.65 Beryllium Be 4 9.0122 1.57 9.3227 1560. Boron B 5 10.811 2.04 8.298 2348. Carbon C 6 12.0107 2.55 11.2603 Nitrogen N 7 14.0067 3.04 14.5341 63.15 Oxygen O 8 15.9994 3.44 13.6181 54.36 Fluorine F 9 18.9984 3.98 17.4228 53.53 Neon Ne 10 20.1797 21.5646 24.56 Sodium Na 11 22.9899 0.93 5.1391 370.87 Magnesium Mg 12 24.3050 1.31 7.6462 923. Aluminium Al 13 26.9815 1.61 5.9858 933.47
Periodic Table Name Symbol Atomic Number Atomic Weight Ionization Energy eV 1900 1950 2000 Hydrogen H 1 Helium He 2 Lithium Li 3 Beryllium Be 4 Boron B 5 Carbon C 6 Nitrogen N 7 Oxygen O 8 Fluorine F 9 Neon Ne 10 Sodium Na 11 Magnesium Mg 12 Aluminium Al 13