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31 Cards in this Set
- Front
- Back
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Qualitative Observations |
No numbers, Phyisical |
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Quantitative Observations |
Numbers and Units |
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Homogeneous Mixture |
Beverages |
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Heterogeneous Mixture |
Food |
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Intensive Property |
property that only depends on composition of substance, not amount of (color, physical state, smell |
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Extensive Property |
property that does depend on amount, measures (volume, mass, length) |
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Precision |
how close individual measures are to each other (scatter) |
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Accuracy |
how close measure is to a “true value” or what actual measure is |
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Particles in the Nucleus of an Atom: |
Protons and Neutrons |
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Atomic Number |
# of protons |
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Mass Number |
# of protons + # of neutrons |
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Isotopes |
atoms with the same atomic # but different mass #, same # of protons, but different # of neutrons. |
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Ion |
when neutral atom gains or loses electrons |
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cation |
Atoms loses electron to have a positive charge |
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anion |
Atom gains an electron to have negative charge |
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Empirical Formula |
gives the relative number of each type of atom in the compound, expressed as the lowest whole number ratio |
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Molecular Formula |
gives the actual number of each type of atom in the compound, (can reduce) |
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Ionic Compound |
when electrons transferred between atoms forming two oppositely charged ions (cation and anion) |
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Naming Ionic Compound |
Cation name + anion root + ide |
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Naming Transition Metals |
Cation name + roman numeral of charge + anion root + ide |
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Polyatomic Ions |
group of two or more ions that have a charge and behave as one unit. |
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Hydrated ionic compound |
specific number (n) of water molecules associated with each formula unit. |
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Naming Hydrated ionic compound |
ionic compound name number prefix + “hydrate” |
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Covalent Compounds |
electrons shared between two neutral bonded atoms (right side of table) |
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Naming Covalent Compounds |
(prefix) + 1st element name + prefix + second element root + ide |
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Acids |
substances that provide H+ when added to water, H listed first |
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Binary Acids |
Consist of hydrogen and one other nonmetal or a non-oxygen containing polyatomic ion |
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Naming Binary Acids |
“hydro” + root of other element/polyatomic ion + “ic” acid |
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Oxyacids |
Consist of hydrogen and an oxygen containing polyatomic ion |
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Naming Oxyacids that end with -ate |
name of polyatomic ion + replace -ate with -ic + acid ***I “ate” an acid and it made me sick. |
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Naming Oxyacids that end with -ite |
replace -ite with -ous + acid |
