Saturday, May 10, 2008

History of Chemistry - Quiz 1

History of Chemistry I

1. Who is regarded as the Father of the Periodic Table?
2. In 1746, Andreas Margraf re-discovered a metal. What was this metal?
3. Who invented the reverse centigrade scale?
4. The Ancient Greeks said that the Four Elements were Earth, Air, Water and Fire. In 390 BC, Plato added a fifth element to this list. What was it?
5. Which element was discovered on the sun before it was discovered on Earth?
6. Which American has his name associated with the concept of ‘Free Energy’?
7. Which noble gas was identified in 1894?
8. This French chemist isolated Fluorine. He also spent considerable time trying to convert graphite into diamonds. Who was he?
9. What is a REDOX reaction?
10. The name of these two scientists underline the definition of acids and bases. Who are they?
11. This Scientist showed that air was composed of two parts, an active part (oxygen) and an inactive part (nitrogen). Who was he?
12. This substance was the first organic chemical to be synthesized from an inorganic source. What was it?
13. In 1898, Pierre and Marie Curie separated two radioactive elements. What were they?
14. What chemical group lies alongside the nobel gases in the periodic table?
15. In 1898 - a busy year in Chemistry, James Dewar produced the liquid form of a common gas. What was this gas?

Answers to History of Chemistry I

1. Dmitri Mendeleyev.
2. zinc
3. Anders Celsius in 1742.
4. ether
5. helium
6. Josiah Gibbs, who besides being a pioneer in thermodynamics and phase changes, was also heavily involved in vector algebra.
7. argon
8. Ferdinand Moissan.
9. A reaction involving both reduction (gain of electrons) and oxidation (loss of electrons).
10. Johannes Bronsted and Thomas Lowry. Their definition states that an acid is a proton donor and a base is a proton acceptor.
11. Antoine Lavoisier.
12. urea
13. radium and polonium.
14. The halogens.
15. hydrogen

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