Name:  Oxygen

Atomic Symbol and Mass Number: O [8]

Electron Configuration: [He] 2s    p

Atomic Radii: 152 pm

Electron Affinity: 141 kJ mol-1

Oxidation states: -2

Electronegativity value: 3.44

Elemental Group: Chalcogen

Uses and properties:

• Colorless, odorless, and tasteless in common O2 form

• Extremely reactive forming oxides with all other elements except noble gasses

• Dissolves readily in cooler water

• Liquid and solid oxygen are

• Production of ammonia (Haber process) and fertilizers

• Manufacturing nitric acid (Ostwald process)

• Blanket for storage tanks in the chemical and petroleum industries

• Exclusion of oxygen during welding

• Binding with amino acids, DNA, and proteins

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Lewis diagram: