⚡ Hydrogen – The Lightest Element
  • Hydrogen (H, from Latin "Hydrogenium", atomic number 1) is the first and lightest element in the periodic table.
  • It consists of only one proton and one electron and is colorless and odorless.
  • Properties & Uses:
    • Hydrogen is extremely light and is the most common element in the universe.
    • Combined with oxygen, it forms water (H₂O).
    • Its gas is used as an energy source for fuel cells, e.g., in hydrogen-powered cars.
    • In space technology, hydrogen is used as rocket fuel.
  • Hydrogen also plays a main role in processes like energy production in the Sun (nuclear fusion). In the laboratory, hydrogen is important for many chemical reactions.
  • ⚙ wasserstoff