Chapter 3 Homework 1

  • Hydrogen

    Hydrogen
    Discovered in 1766 by Henry Cavendish.
    Named by Antoine Lavoisier in 1783.
  • Oxygen

    Oxygen
    Discovered in 1771 by Carl Wilhelm Scheele.
    Named by Antoine Lavoisier in 1777.
  • Nitrogen

    Nitrogen
    Discovered in 1772 by Daniel Rutherford.
    Named by Jean-Antoine Chaptal in 1790.
  • Chlorine

    Chlorine
    Discovered and isolated in 1774 by Carl Wilhelm Scheele. First recognized as an element by Humphry Davy in 1808.
  • Fluorine

    Fluorine
    Discovered in 1810 by André-Marie Ampère. Named by Humphry Davy. First isolated in 1886 by Henri Moissan.