Interesting facts. 1  It is the fourth most abundant element in the universe, but only it represents only 0.0018% of the earth's atmosphere. 2  It is the second lightest noble gas. 3  The neon sign was first used by Georges Claude in Paris in 19l0.
In Hindu astrology, Mangal Dosha is an astrological combination that occurs if Mars (Mangal) is in the 1st, 2nd, 4th, 7th, 8th, or 12th house of the ascendant chart. A person born in the presence of this condition is termed a manglik.
Highly toxic is defined by OSHA as: A chemical that has a median lethal dose (LD50) of 50 milligrams or less per kilogram of body weight when administered orally to albino rats weighing between 200 and 300 grams each.