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16 Cards in this Set
- Front
- Back
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What composes an ionic compound?
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A metal and a nonmetal.
(cation) + (anion) = ionic compound. |
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What composes a molecular compound?
Give four examples. |
Two nonmetals.
(1) Carbon dioxide (CO2) (2) Water (H2O) (3) Methane (CH4) (4) Carbon monoxide (CO) |
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What is a monatomic cation?
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Where ONE element loses one or more electrons.
Example: Al(3+) |
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What is a monatomic anion?
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Where ONE element gains one or more electrons.
Example: I(-) = Iodide |
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AW
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Atomic weight
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MW
Used with molecular/ionic compounds? |
Molecular weight; average mass of one molecule
Used with molecular compounds. |
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FW
Used with molecular/ionic compounds? |
Formula weight.
Used with ionic compounds. |
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What could you describe a "formula unit" as?
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The smallest particle you could break an ionic compound into while still allowing it to have properties of that compound.
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What is the smallest particle you could break an ionic compound into while still allowing it to have properties of that compound?
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A formula unit.
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Formula weight =
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The mass of one formula unit.
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What is the smallest particle you can break a pure element into?
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Atom.
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What is the smallest particle you can break a molecular compound into?
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Molecule.
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What is the smallest particle you can break an ionic compound into?
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Formula unit.
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Avogadro's number:
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6.022 x 10^23
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1 molar mass=
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1 molar mass = 1g atomic weight
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Molar mass by definition:
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The mass in grams of one mole of a substance.
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