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31 Cards in this Set
- Front
- Back
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loss of electrons |
oxidation |
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gain of electrons |
reduction |
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a chemical compound composed of a metal ion and a chelating agent |
chelate |
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it is considered as a stable compound therefore it is no longer available for chemical reactions |
chelate |
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a substance whose molecules can form several bonds to a single metal ion |
chelating agent |
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it plays an important roles in oxygen transport and in photosynthesis |
chelating agent |
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it serves as a biological catalysts and economically as products and as agents in the production of other chemicals |
chelating agent |
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a simple chelating agent that can form 2 bonds to a transition metal ion such as nickel |
ethylenediamine |
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it forms bonds to a metal ion through nitrogen atoms |
porphine |
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it has a structure derived from porphine |
porphyrin |
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a central component of Hgb |
heme |
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it contains a porphyrin chelating agent bonded to an iron ion |
heme |
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____ can form into 6 bonds 4 of which is ____ and 2 of which is connected to ____ |
heme porphyrin oxygen |
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the metal at the center of the chelate is a magnesium ion |
chlorophyll |
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____ is the only vitamin that contains a metal namely ____ ion bonded to a porphyrin like chelating agent |
vitamin b12 cobalt(II) |
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it is a versatile chelating agent |
EDTA |
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it can form 4 or 6 bonds with a metal ion |
EDTA |
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it forms chelate with both transition metal ions and main group ions |
EDTA |
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it is the treatment for acute cadmium and iron poisoning |
EDTA |
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it is a tetradentate ligand, and chelation involves the 2 nitrogen atoms and 2 oxygen atoms in separate carboxyl groups |
calcium complex EDTA |
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it is a chelating agent for heavy metals such as arsenic, mercury, antimony and gold |
dimercaprol |
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it is used before in Arsenic-containing mustard gas |
dimercaprol |
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he emphasized on the role of the solvent |
Svante Arrhenius |
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it is capable of providing hydrogen ions upon ionization |
acid |
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capable of providing hydroxide ions upon ionization |
base |
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a substance that dissolves in water to hydronium ion which renders a pH less than 7 to the solution |
acid |
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the pH of strong acid is |
less than 2 |
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the pH of weak acid is |
2 to 6.9 |
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a substance that neutralize an acid, they accept protons from acids |
base |
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it is bitter tasting |
base |
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it is sour tasting |
acids |
