Term
Law of Definite Composition
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Definition
| Every sample of a compound has the same proportion of constituent elements |
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Term
Law of Multiple Proportions |
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Definition
| Atoms of two or more elements may combine in different ratios to produce more than one compound. |
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Term
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Definition
Sum of Atomic masses in a compound
(don't forget - pay attention to subscripts) |
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Term
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Definition
form between 2 or more nonmetals
ex: CCl2, CO, CO2 |
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Term
Molecular Elements aka
Diatomic molecules |
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Definition
H2,N2,F2,O2,I2,Cl2,Br2
Hydrogen, Nitrogen, Fluorine, Oxygen, Iodine, Chlorine, Bromine |
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Term
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Definition
Form between a metal and one or more non-metals
NaCl, FeCl2, Fe2O3
(metal gives an electron to a non-metal) |
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Term
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Definition
Forms between two or more non-metals
(molecular) |
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Term
Origin -
Organic vs. Inorganic |
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Definition
Origin - determine number of comounds and potential elements involved
Organic - CH, CHO, CHON elements - millions of compounds
vs.
Inorganic - carbon must be from non-living source plus all other elements
10-13k |
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Term
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Definition
form between two elements
covalent or ionic |
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Term
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Definition
| Three elements; ionic is usually a metal & polyatomic and covalent is usually an organic CHO |
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Term
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Definition
| Four elements - if ionic its usually a polyatomic cation and an anion. If covalent its a CHON (protein) ex: (NH4)SO4 |
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Term
Order for non-metals in a chemical formula |
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Definition
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