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O2is a diatomic one of these units of a pure substance; H2O is polyatomic |
a molecule
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$400 |
J |
SCIENCE TERMS |
2011-12-26 |
#6276 |
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(Sarah of the Clue Crew holds up a sugar cube.) At sea level, at 32 degrees Fahrenheit, 1 cubic centimeter of air, the size of a sugar cube, contains45 billion billionof these, from the Latin for "little mass" |
a molecule
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$400 |
DJ |
BASIC SCIENCE |
2009-02-05 |
#5624 |
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It's the smallest particle of a compound that has the properties of the compound |
a molecule
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$400 |
DJ |
SCIENCE |
1994-12-14 |
#2368 |
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Consisting of 3 atoms, water is an example of a triatomic one of these units |
a molecule
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$400 |
J |
SCIENCE |
1992-05-22 |
#1795 |