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13 Cards in this Set
- Front
- Back
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How many atoms of carbon are in Al₂(CO₃)₃? |
2-Al, 3-C, 9-O |
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Oxidation number |
A positive or negative number assigned to an atom to indicate its degree of oxidation or reduction. (describes how it will behave in a compound) |
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isotope |
atoms of the same element that have the same atomic number but different masses due to a different number of neutrons |
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chemical formula |
an expression that indicates the number and type of atoms present in the smallest representative unit of a substance |
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polyatomic ion |
group of atoms that behave as an ion |
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ion |
a charge particle due to an unequal number of protons and electrons |
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formula unit |
representative particle of an ionic compound |
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binary compound |
compound made from 2 elements |
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cation |
positively charges ion |
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anion |
negatively charged ion |
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molecular formula |
a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of a compound |
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For the formula of a compound to be correct, the algebraic addition of the charge on the atom or ions in the compound must add up to: |
zero |
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What does an -ite or -ate ending on the name of a compound indicate? |
it's a polyatomic ion
(practice this stuff) |
