A&P (Appendix A) Basic Chemistry Vocabulary Terms

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mac519
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184218
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A&P (Appendix A) Basic Chemistry Vocabulary Terms
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2012-11-25 14:30:02
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chemistry terms
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chemistry terms from appendix A
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  1. a substance that increases the concentration of hydrogen ions in a water solution
    acid
  2. blood that is too acidic
    acidotic
  3. blood is too basic
    alkalotic
  4. a negatively charged ion
    anion
  5. the smallest particle of an element that can be part of a chemical reaction
    atom
  6. the unit of measurement for combined atomic and molecular weights
    atomic mass units (AMU)
  7. the number of protons that an element contains
    atomic number
  8. the average mass of an element's atoms
    atomic weight (AW)
  9. a substance that decreases the concentration of hydrogen ions
    base
  10. any substance that can reversibly bind H+
    buffer
  11. fast-acting defenses for acid-base changes, providing almost immediate protection against changes in the hydrogen ion concentration of extracellular fluid.
    buffer systems
  12. substances that increase the reaction speed, but are unchanged themselves at the end of the reaction.
    catalysts
  13. a positively charged ion
    cation
  14. pure substances consisting of atoms combined in specific ratios that can be split into simpler substances by chemical reactions
    chemical compound
  15. a state of balance in a chemical reaction
    chemical equilibrium
  16. combinations of individual symbols
    chemical formula
  17. a change in the chemical makeup of a substance
    chemical properties
  18. a change brought about by the interaction of one or more chemicals
    chemical reaction
  19. a partial charge in an atom that can be either negative or positive
    dipole
  20. satls that break up into ions
    electrolytes
  21. a subatomic particle that is negatively charged and spins around the outside of the atom's nucleus
    electron
  22. a pure substance that contain only one type of atom
    element
  23. a chemical reaction that requires energy and absorbs heat
    endothermic
  24. the measurement of the heat of a reaction
    enthalpy
  25. protein catalysts designed to speed up the rate of specific biochemical reactions
    enzymes
  26. a chemical reaction that releases heat
    exothermic
  27. a weak electrostatic attraction between two atoms on different molecules, usually involving hydrogen and either oxygen or nitrogen
    hydrogen bond
  28. easily dissolved in water
    hydrophillic
  29. not easily dissolved in water
    hydrophobic
  30. electrically charged particles
    ions
  31. atoms with the same atomic number, but a different mass number
    isotopes
  32. is a bond that is formed when two atoms react in such a way that their electrons are transferred from one atom to another
    ionic bond
  33. the sum of the number of protons and neutrons in an atom
    mass number (A)
  34. any substance that has mass and occupies space
    matter
  35. the concentration of electrolytes in a certain volume of solution
    milliequivalents
  36. the result of blending two or more substances together
    mixture
  37. a unit of base measure of atoms in which one mole of substance has a mass that is equal to the molecular weight of the substance
    mole
  38. the chemical term for the strenght of solutions, which is expressed in terms of the numbers of moles of solid dissolved in solvent to yield a given volume of solution
    molarity (M)
  39. the average mass of a substance's molecules
    molecular weight (MW)
  40. the smallest particle of a compound that still retains the properties of that compound
    molecule
  41. a subatomic particle that is not charged and located in the nucleus of the atom
    neutron
  42. the center of an atom where the protons and neutrons are located
    nucleus
  43. the study of the chemistry of compounds that contain carbon, as well as related compounds
    organic chemistry
  44. a table that contains the symbols, chemical properties, and full names of all the elements
    periodic table
  45. end result of a chemical reaction
    product
  46. a positively-charged subatomic particle located in the nucleus of the atom
    proton
  47. a substance that is uniform in its composition and chemical properties and connot be easily separated
    pure substance
  48. the precursor or starting substance of a chemical reaction
    reactant
  49. small divisions of atoms that cannot be distinguished separately as different elements
    subatomic particles
  50. compounds that dissolve in water and separate into their original ions
    water soluble

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