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Physical Change

Everything around us undergoes certain changes. Changes can be either physical or chemical. The term 'matter' refers to anything that has mass... View Article

Europium

Europium Symbol Eu Atomic Number 63 Atomic Mass 151.964 amu Discovered by Eugène-Anatole Demarçay in 1901 Group... View Article

Rubidium (Rb)

Rubidium Symbol Rb Atomic Number 37 Atomic Mass 85.4678 g.mol -1 Discovered by Gustav Kirchhoff and Robert Bunsen... View Article

Lightning

Lightning is one of the most beautiful displays we can see in our nature which can certainly be deadly at times. It is a sudden electrostatic... View Article