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11 Cards in this Set
- Front
- Back
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Diatomic Elements
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elements that, in there elemental state, exist in nature as pairs of bonded atoms.
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mole
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the number of particles equal to the number of atoms in exactly 12g of Carbon 12
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Avagadro's Number
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a) Its the number of particles in a mole
b) its 6.02x10^23 |
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Atomic Mass
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the wighted average atomic mass of all naturally occuring atoms of an element (includes isotopes and their abundances)
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Gram atomic mass
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the mass in grams of one mole of atoms in an element
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molecular mass
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the sum of all the atomic masses of all the atoms in a molecule
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gram molecular mass
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the mass in grams of one mole of molecules
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formula mass
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the sum of the atomic masses of all of the atoms in a formula unit
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gram formula mass
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the mass in grams of one mole of formula units in a compound
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Molar Gas Volume
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one mole of any gas at STP has a volume of 22.4L
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Empirical Formula Problems
a)40.2%K, 26.9%Cr, 32.9%O b)21.8%Mg, 27.9%P, 50.3%O |
a)
b) |
