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.