Tuesday 2 December 2014

Which is the lightest element?

Which is the lightest element?
Hydrogen is the lightest element in the universe and most commonly founded in universe too.
Chemical symbol : H
Atomic Number : 1
Atomic Weight : 1.0079
Group : Nonmetals
Hydrogen element was discovered in 1766 by Henry Cavendish.
Hydrogen is the first element in the periodic table.
Word hydrogen meaning is " Water creator ".

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