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17 Cards in this Set
- Front
- Back
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Free radical |
Atoms that have unpaired electrons |
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Isotope |
Different forms of the same element, with different amount of neutrons |
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Ion |
An atom with a positive or negative charge due to a loss or gain of electrons |
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Electronegativity |
A measure of an atoms ability to pull electrons from another atom |
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Chemical bonds link atoms into..... |
molecules |
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ionic bond |
Strong mutual attraction between two oppositely charged ions. |
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Covalent bond |
Two atoms with similar electronegativity and unpaired electrons sharing a pair of electrons |
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non polar covalent bond |
Atoms sharing electrons equally with identical electronegativity
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Polar covalent bond |
Atoms sharing electrons unequally with the different electronegativity |
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Water molecule |
Polar covalent bond High heat capactiy Hydrogen bonds = Strength Good solvent due to its polar structure
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Hydrogen bond |
Stabilize the structure of large biological molecules |
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Cohesion |
when molecules resist separation from eachother |
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Solute |
Dissolves in solvents |
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Concentration |
Amount of solute that dissolves in a given volume of fluid |
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Acids |
Donate/gives up hydrogen atoms pH below 7 |
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Bases |
Accept hydrogen atoms pH above 7 |
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Buffer |
Set of chemicals that can keep the pH of a solution stable |
