Name:  Strontium

Atomic Symbol and Mass Number: Sr [38]

Electron Configuration of the Element: [Kr] 5s

Atomic Radii: 255 pm

Electron Affinity: 0

Oxidation States: +2, +1

Electronegativity value: 0.95

Elemental Group: Alkaline Earth Metal

Uses and properties:

• A soft, silvery metal

• Turns yellow when cut

• Finely powdered strontium metal is sufficiently reactive to ignite spontaneously in air

• Reacts with water rapidly but not violently

• Burns in a crimson flame

• Production of cathode ray tubes for color televisions

• Refining zinc

• Production of ferrite ceramic magnets

• Crimson color in fireworks and flares

• Stronium chloride in toothpaste for sensitivity

• Development of the most accurate atomic clock

 

Lewis diagram: