• Name: Hydrogen

  • Symbol: H

  • Number of Energy Levels: 1

  • Electrons on the outer energy level: 1

  • Atomic Number: 1

  • Atomic Mass: 1.00794 Amu

  • Protons / Electrons: 1

  • Neutrons: 0

  • Density: 0.08988 g/cm3

  • Classification: Non-Metal

Top 12 interesting facts about Hydrogen

  • Hydrogen = Hydro (water) + gen (generate)
  • Hydrogen was discovered in 1766 by Henry Cavendish.
  • Hydrogen is the most basic element in the universe containing just a proton and an electron.
  • There are no neutrons in a Hydrogen atom.
  • Hydrogen is the most common element in the universe.
  • Elemental Hydrogen is hardly ever found on our planet so it has to be produced artificially.
  • Hydrogen is highly flammable (remember the disaster of the Zeppelin Hindenburg) and it was used as a fuel for space shuttle.
  • Car engineers take in consideration solid Hydrogen (Hydrogen under extreme pressure become solid) as a car fuel.
  • The flame produce by burning Hydrogen is invisible for the human eye.
  • In normal conditions, Hydrogen is a gas which is tasteless, odorless and colorless.
  • Hydrogen is often stored as a liquid at a temperature of -252.87 Centigrade.
  • Hydrogen has the melting point at -259.14 oC (14.009985 K, -434.45203 oF) and the boiling point at -252.87 oC (20.280005 K, -423.166 oF).