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14 Cards in this Set
- Front
- Back
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4 Major Elements in the Body
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Oxygen
Hydrogen Nitrogen Carbon |
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Percent of body mass taken up by Major elements
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96%
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# Of Electrons
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# Of Protons
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Orbital Model
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Currently used by Chemists
Predicts Chemical behavior of atoms Has Electron Cloud |
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Planetary Model
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Used for Illustrations but is outdated
Fixed circular electron path |
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Radioisotope
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Can go through spontaneous decay
Can damage living tissue |
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Molecule
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2 or more atoms bonded together
ex: H2 |
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Compound
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2 or more different kinds of atoms together
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Solution
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Homogenous Mixture
Solvent > Solute |
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Colloids
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Heterogenous mixtures that don't settle
ex: Cytosol |
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Suspensions
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Heterogenous mixtures that settle
ex: blood |
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Different between Mixtures and compounds
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Mixtures can be separated by filtering; Homo or Hetero
Compounds can only be separated by breaking bonds, all homo |
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Chemically Inert Elements
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Stable & Unreactive
Outermost energy level is fully occupied |
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Chemically Reactive Elements
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Outermost energy level not fully occupied
Can lose, gain, or share electrons with other atoms to be stable |
