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From Nordan Symposia
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}} Science textbook, Page 32: "There are 2,000,000,000,000,000,000,000 (that's 2 sextillion) atoms of oxygen in one drop of water—and twice as many atoms of hydrogen."
}} Science textbook, Page 32: "There are 2,000,000,000,000,000,000,000 (that's 2 sextillion) atoms of oxygen in one drop of water—and twice as many atoms of hydrogen."
*An [[HIV]] [[virion]] is the width of 800 carbon atoms and contains about 100 million atoms total. An [[E. coli]] bacterium contains perhaps 100 billion atoms, and a typical human cell roughly 100 trillion atoms.
*An [[HIV]] [[virion]] is the width of 800 carbon atoms and contains about 100 million atoms total. An [[E. coli]] bacterium contains perhaps 100 billion atoms, and a typical human cell roughly 100 trillion atoms.
*A speck of dust might contain 3x10 smsup|12 (3 trillion) atoms.
*A speck of dust might contain (3 trillion) atoms.
* The number of atoms in 12 grams of charcoal (about 6 x 10x 23rd) is more than 1,400,000 times the age of the universe in seconds.
* The number of atoms in 12 grams of charcoal (about 6 x 10x 23rd) is more than 1,400,000 times the age of the universe in seconds.
