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13 Cards in this Set
- Front
- Back
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Covalent bonds |
Sharing of electrons, strongest bond. Nonpolar equal sharing, polar is unequal sharing |
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Ionic bond |
Attraction to opposite charges |
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Hydrogen bonds |
A hydrogen bond forms when a hydrogen atom covalent bonded to one electronegative atom is also attracted to another electronegative atom. |
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Hydrophobic interactions |
Interactions of nonpolar substances in the presence or polar substances (especially water) |
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Van Der waals interaction |
Interaction of electrons of nonpolar substances, attractions between molecules that are close together as a result of these charges |
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Bond energy |
Is the amount of energy needed to separate two bonded or interacting atoms under physiological conditions |
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Chemical reactions |
All chemical reactions are reversible, products of the forward reaction become reactants for the reverse reaction. |
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What has a negligible mass |
Electrons |
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Atomic number |
Is the number of protons |
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Atomic mass |
Protons plus neutrons |
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Trace elements |
Such as copper accounts for less than 0.01% of living matter |
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Chemical equilibrium |
The rate of the reverse reaction equals the rate of the forward reaction |
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All forms of life require |
Iron |
