Chemistry Worrior

By Sohail

OVERIEW:

                                    LATIN NAME: Natrium

                                    Symbol:Na

                                    DISCOVERY YEAR: 1807

                                    Atomic Number: 011

                                    Group: 01

                                    Period: 03

                                    Block: s

                                    CAS Number:7440-23-5

    ATOMIC PROPERTIES:

                           ATOMIC WEIGHT: 22.98976928 g/mol

                           Ionic Charge: Na+

                           OXIDSTION STATES: +1

                           ELECTRON PER SHELL: K2 L8 M1

                           ELECTRONIC CONFUGRATION: 1S2 2s2 2p6 3s1

                           ATOMIC RADIUS,PM: 190 pm

                           COVALENT RADIUS: 154 pm

                          Van Der Waals Radius: 227 pm

 THERMODYNAMIC PROPERTIES:

                   Phase: Solid

                  Boiling Point: 883 0C

                   Milting Point: 97.72 0C

                   Fusion Heat: 2.6 KJ/mol

                   Specific Heat: 1230 KJ-1.kg-1

                   Thermal Heat Expansion: 0.000071 k-1

                   Vaporization Heat:97.7 kJ/mol

      MATERIAL PROPERTIES:

                   Color: Silver

                   Bulk Modulus: 6.3 GPa

                   Shear Modulus: 3.3 GPa

                   Young’s Modulus: 10 GPa

                   Density: 968 kg.m-3

                       Liquid density:  927 kg.m-3

                   Mohs Hardness: 0.5

                   Brinell Hardness: 0.69 MPa

                   Molar Volume: 0.0000237  m3.mol-1

                      Sound speed: 3200 m.s-1

                   Thermal Conductivity: 140 W.m-1k-1

                   Poission Ratio: 0.032

ELECTROMAGNETIC PROPERTIES:

                   Magnetic Type: Paramagnetic

                   Electrical Type: Conductor

                   Eectrical conductivity: 21000000 S.m-1

                   Volume Magnetic Susceptibility: 0.0000062

                   Mass Magnetic Susceptibility: 0.0000000064

                   Molar Magnetic Susceptibility: 0.0000000147

                   Resistivity: 0.000000047 ohm.m

     REACTIVITY:

                   Electronegativity: 0.93

                   Valence: 1

                  Electron Affinity: 52.8 kJ.mol-1

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