Chemistry Worrior

By Sohail

     OVERIEW:

                                    LATIN NAME: Lithium

                                    Symbol: Li

                                    DISCOVERY YEAR: 1817

                                    Atomic Number: 03

                                    Group: 1

                                    Period: 2

                                    Block: s

                                    CAS Number:7439-93-2

     ATOMIC PROPERTIES:

                           ATOMIC WEIGHT: 6.941 g/mol

                           Ionic Charge: Li+

                           OXIDSTION STATES: -1 ,+1

                           ELECTRON PER SHELL: K2 L1

                           ELECTRONIC CONFUGRATION: 1S2 2s1

                           ATOMIC RADIUS,PM: 167 pm

                           COVALENT RADIUS: 134 pm

                           VAN DER WALLS RADIUS: 182 pm

 

   THERMODYNAMIC PROPERTIES:

 

                   Phase: Solid

                   Boiling Point: 1342 0C

                   Milting Point: 180.54 0C

                   Fusion Heat: 3 KJ/mol

                   Specific Heat: 0.000046 KJ-1.kg-1

                   Vaporization Heat:147 kJ/mol

 

   MATERIAL PROPERTIES:

                   Color: Silver

                   Bulk Modulus: 11 GPa

                   Shear Modulus: 4.2 GPa

                   Young’s Modulus:4.9 GPa

                   Density: 535 kg.m-3

                       Liquid density: 512 kg.m-3

                   Mohs Hardness: 0.6

                   Molar Volume: 0.000013 m3.mol-1

                   Sound speed: 6000 m.s-1

                 Thermal Conductivity: 85 W.m-1k-1

 

ELECTROMAGNETIC PROPERTIES:

 

                   Magnetic Type: paramagnetic

                   Electrical Type: Conductor

                   Eectrical conductivity: 11000000 S.m-1

                   Volume Magnetic Susceptibility: 337×10-5

                   Mass Magnetic Susceptibility: 63×10-8

                   Molar Magnetic Susceptibility:437 ×10-10

     REACTIVITY:

                   Electronegativity: 0.98

                   Valence: 01

                   Electron Affinity: 59.6 kJ.mol-1

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