chemical elements by classification
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| 8 O | Oxygen
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| Diatomic oxygen gas constitutes what percentage of the atmosphere? | 20.8 %
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| Oxygen was discovered independently by whom? | Carl Wilhelm Scheele or Joseph Priestley (Priestley's work was published first in 1774)
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| Oxygen's name was derived from what two words in greek? | oxys, meaning acid and genes, meaning producer
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| Antoine Lavoisier conducted the first adequate quantitative experiments on oxidation and gave the first correct explanation of how what process works? | Combustion
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| How many radioisotopes of oxygen have been characterized? | 14
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| What is the boiling point of Oxygen? | -297.31 F
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| 16 S | Sulfur
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| Sulfur was known as what in the bible? | Brimstone
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| Pure sulfur has what smell? | no smell
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| Sulfur compounds have what smell? | rotten egg
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| What is the boiling point of Sulfur? | 832.28 degrees F
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| Sulfur was isolated in 1809 by whom? | Louis-Josef Gay-Lussac and Louis-Jacques Thénard
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| When burned, sulfur produces what color flame? | blue
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| 34 Se | Selenium
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| Selenium is from the French word what? | selene , meaning moon
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| Who discovered Selenium? | Jons Berzelius in 1817
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| What is the boiling point of Selenium? | 1264.8201 F
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| 52 Te | Tellurium
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| What is the boiling point of tellurium? | 1813.64 F
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| tellurium is named for the greek word for what? | tellus, meaning earth
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| Who discovered tellurium? | Franz Muller von Reichenstein in 1782
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| 84 Po | Polonium
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| What is the boiling point of Polonium? | 1763.6 F
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| Who discovered Polonium? | Pierre and Marie Curie in 1898
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| What country is polonium named after? | Poland
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| How is polonium obtained? | decay of radium
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| 116 Lv | Livermorium
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| How is livermorium produced? | synthetically in a lab
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| How many isotopes of livermorium exist? | four
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| Livermorium is the heavest what group? | chalcogen
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| What is livermorium named after? | Lawrence Livermore National Laboratory (officially named in 2012)
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