Chemistry Worrior

By Sohail

     OVERIEW:

                                   LATIN NAME:Nitrogenium

                                    Symbol: N

                                    DISCOVERY YEAR: 1772

                                    Atomic Number: 07

                                    Group: 15

                                    Period: 02

                                    Block: p

                                    CAS Number: 7727-37-9

 

ATOMIC PROPERTIES:

                           ATOMIC WEIGHT: 14.0067  g/mol

                           OXIDSTION STATES: -3, -2, -1, +1, +2, +3, +4, +5

                           ELECTRON PER SHELL: K2 L5

                           ELECTRONIC CONFUGRATION: 1S2 2s22p3

                           ATOMIC RADIUS,PM: 56 pm

                           COVALENT RADIUS:  75 pm

                           Van Der Waals radius:155 pm

     THERMODYNAMIC PROPERTIES:

 

                   Phase: Gas

                   Boiling Point: -195.79 0C

                   Milting Point: -210.1 0C

                   Fusion Heat: 0.36 KJ/mol

                   Specific Heat: KJ-1.kg-1

                   Thermal Heat Expansion: 1040 k-1

                   Vaporization Heat: 2.79 kJ/mol

 

MATERIAL PROPERTIES:

                   Color: Colorless

                   Density: 1.251 kg.m-3

                   Molar Volume: 0.0112 m3.mol-1

                      Sound speed: 333.6 m.s-1

                   Thermal Conductivity: 0.02583 W.m-1k-1

                   Refractive index: 000298

      ELECTROMAGNETIC PROPERTIES:

 

                   Magnetic Type: Diamagnetic

                   Volume Magnetic Susceptibility: -0.000000012511

                   Mass Magnetic Susceptibility: -0.00000001

                   Molar Magnetic Susceptibility: -0.0000000001401

 

REACTIVITY:

                   Electronegativity: 3.04

                   Valence: 3

                   Electron Affinity:  7 kJ.mol-1

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