Brooke Tolmachoff Chapter 3 Homework

  • 1526

    Paracelsus was not just an alchemist but a physician and surgeon. He proposed a new idea suggesting that the world was actually made of three elements salt, sulfur, and mercury. Paracelsus saw these as the core ingredients to make metals and medicines.

  • German chemist Johann Becker proposed that the destructive power of fire was caused by an ethereal entity named phlogiston. It was thought to be odorless, colorless, tasteless, and weightless substance that causes things to burn.

  • Brands was looking for a way to extract gold from the body from urine. He did not end up finding gold but discovered an element called fiery phosphorus.

  • Types of air gas

    By the mid-1700s there were three known types of air or gases. There was the common air that we breathe, inflammable air now known as hydrogen, and fixed air or carbon dioxide. Clergymen and amateur chemist Joseph Priestley were part of this.
  • Carbon dioxide

    Some time in the 1700s Priestley was interested in the gas that's produced in the fermentation process he called brewery gas but of course it was well known by that time it was known as fixed air we know it today as carbon dioxide carbon dioxide
  • Oxygen

    Joseph Priestley had found oxygen. Lavoisier was the first scientist to define what an element was a substance that could not be decomposed by existing chemical means.
  • Lavoisier and Priestley

    the French Revolution would have terrible consequences for both Lavoisier and his rival Priestley
  • Priestly home burnt to the ground

    when an angry mob frightened that revolution would find its way to England descended on his new home and burnt it to the ground
    thanks to it simple priestly escaped unharmed
  • Lavoisier executed

    Lavoisier and 28 other tax collectors were tried and found
    guilty of conspiring against the people of France. He was brought here to Laplace stella revolution that same day May the
    8th 1794 and in 35 minutes they were all executed.
  • Maverick Cornish Chemist Humphry Davy

    He discovered force electricity to rip apart a caustic chemical called potash and he discovered a new element vivid violence potassium.
  • Davy/ Potassium

    Davy was working away in the basement where he'd adapted
    the servants quarters to make a lab he'd been working with some crystalline salts called potash. He discovered an element never seen before called potassium. He added six new elements to
    Lavoisier's list and confirmed that substances like chlorine and iodine were also elements.
  • Henry Cavendish

    Cavendish added a metal zinc to an acid. Bubbles began to appear on the surface. Cavendish started to collect this gas. Cavendish had no idea he discovered a new element called hydrogen. in 1937 hydrogen was witnessed.