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Oxygen
Beginning of paper
, symbol O, colorless, odorless, tasteless, slightly magnetic
gaseous element. On earth, is more abundant than any other element.
was discovered in 1774 by the British chemist Joseph Priestley and,
independently, by the Swedish chemist Carl Wilhelm Scheele; it was shown to be
an elemental gas by the French chemist Antoine Laurent Lavoisier in hi ....
Middle of paper
....electron dot
symbol is: .
Gaseous oxygen can be condensed to a pale blue liquid that is
strongly magnetic. Pale blue solid oxygen is produced by compressing the
liquid. The atomic weight of oxygen is 15.9994.Oxygen composes 21
percent by volume or 23.15 percent by weight of the atmosphere; 85.8
percent by weight of the o.... |
| Word count: 752 |
Page count: 3 |
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