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Question

Chlorine was discovered by whom?


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Solution

Chlorine:

  1. It is a chemical element having an atomic number=17, and its symbol is Cl. Among the halogens, this is the second lightest.
  2. At room temperature, It appears as a yellow-green color gas.
  3. It is a highly reactive element and a powerful oxidizer, with the highest electron affinity and third-highest electronegativity among the elements.
  4. According to the American Chemistry Council, Swedish pharmacist Carl Wilhelm Scheele dropped a few drops of hydrochloric acid on a piece of manganese dioxide in his lab in1774, and a greenish-yellow gas was created in a matter of seconds.
  5. However, it was not recognized until several decades later, English chemist Sir Humphry Davy identified chlorine as an element.
  6. In 1810, Davy named the chemical as "chloric gas," or "chlorine," from the Greek term "khloros," which means "greenish-yellow."
  7. High concentrations of elemental chlorine are exceedingly harmful and deadly to most living creatures.

Therefore, Carl Wilhelm Scheele discovered Chlorine and Humphry Davy named it.


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