Chemistry Worrior

By Sohail

OVERIEW:

                                   LATIN NAME: Oxygenium

                                    Symbol: O

                                    DISCOVERY YEAR: 1774

                                    Atomic Number: 08

                                    Group: 16

                                    Period: 02

                                    Block: p

                                    CAS Number: 7782-44-7

ATOMIC PROPERTIES:

                           ATOMIC WEIGHT: 15.9994 g/mol

                           OXIDATION STATES: -2, -1, +1, +2

                           ELECTRON PER SHELL: K2 L6

                           ELECTRONIC CONFUGRATION: 1S2 2s22p4

                           ATOMIC RADIUS,PM: 48 pm

                           COVALENT RADIUS: 73 pm

                          Van Der Waals radius:152 pm

THERMODYNAMIC PROPERTIES:

                    Phase: Gas

                    Boiling Point: -182.9 0C

                   Milting Point: -218.3 0C

                   Fusion Heat: 0.222 KJ/mol

                   Specific Heat: 919 KJ-1.kg-1

                   Vaporization Heat:  3.41 kJ/mol

     MATERIAL PROPERTIES:

                   Color: Colorless

                   Density: 1.429 kg.m-3

                   Molar Volume: 0.0112 m3.mol-1

                      Sound speed:  317.5 m.s-1

                   Thermal Conductivity: 0.02658 W.m-1k-1

                   Refractive index: 1.000271

ELECTROMAGNETIC PROPERTIES:

                   Magnetic Type: Paramagnetic

                   Volume Magnetic Susceptibility: 0.00000190772

                   Mass Magnetic Susceptibility: 0.000001335

                   Molar Magnetic Susceptibility: 0.0000000213592

     REACTIVITY:

                   Electronegativity: 3.44

                   Valence: 02

                  Electron Affinity: 141 kJ.mol-1

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