mineral
22 Aug 2018
Potassium -The metal that explodes when exposed to water
The element potassium explodes with a purple flame when exposed to water. Normally, water is used to douse fire. So explosion of potassium when in contact with water is an exception and incredible feat. The element has an atomic number of 19. The atomic symbol is K. It comes from its Latin name Kalium, meaning
30 Aug 2014
Soft and hard water:Points ought to be known
Water is known as elixir of life. This precious resource is used by all living organisms for their survival. You might have noticed formation of scales on your kitchen sinks, bathroom surface. This is due to the prolonged use of hard water. Hard water is water containing appreciable amounts of dissolved minerals like calcium
19 Aug 2014
Carbon-Different forms of existence
Carbon is the sixth most abundant element in the earth. The property of an element to take more than one physical form is called allotropy and the different forms are called allotropes. As allotropes take different chemical structures, they exhibit different properties as well. Carbon exists in three basic forms in nature – diamond, graphite