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18 Cards in this Set
- Front
- Back
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in human physiology shells don not exceed ---- but ----- have been made in other cases
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4 shells, 7 shells
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valence electrons
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electrons of the outermost shell that determine the chemical bonding properties of an atom
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atoms tend to bond with other atoms that---
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will fill its outer shell and produce a stable number of valence electrons
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rules of eights
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in order for an atom to be stable it mush have 8 electrons in outer shell
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isotope
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when the number of neutrons is varied from the predicted norm
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radioisotopes
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unstable isotopes
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radioactivity
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process of decay
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high energy radiation ejects electrons from atoms, converting atoms to---
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ions
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ion
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charged electron or molecule and have unequal number of protons and electrons
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cation
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postive charge of an ion
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anion
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negative charge of an ion
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ionization
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atom of the first kind is exposed to one of the 2nd kind they will transfer from one another and turn into ions
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valance
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charge of an ion
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ions with ---charges are attracted to eachother and follow eachother through the body
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negative
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electrolytes
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salts that ionize in water and form solutions capable of conducting electricity
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electrolytes are important for
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their chemical reactivity
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electrolytes are important for
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osmatic effects influence of water content and distribution in the body
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electrolytes are important for
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electrical effects(essential to nerve and muscle function
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