Exam (elaborations)
Chemistry 104 - FINAL EXAM REVIEW NOTECARDS – Q/A
Chemistry 104 - FINAL EXAM REVIEW NOTECARDS – Q/A
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Chemistry 104 - FINAL EXAM REVIEWNOTECARDS – Q/A
Protons - -positively charged particles
-Neutrons - -neutrally charged particles
-Electrons - -negatively charged particles
-Cations - -positively charged ions
-Anions - -negatively charged ions
-Mass Number - -sum of number of protons and neutrons in nucleus of an
atom
-Isotope - -two or more forms of the same element (same number of
protons) whose atoms differ in number of neutrons, and in mass, with the
same atomic number and different mass number.
-Quantitative - -information such as numerical data
-Qualitative - -non-numerical data
-Joule - -related directly to units used for mechanical energy (1 cal = 4.184
J)
-Precision - -indicates how well several determinations of the same quantity
agree
-Accuracy - -agreement of a measurement with the accepted value of the
quantity
-Solid - -rigid shape, fixed volume, and changes little with temperature and
pressure
-Liquid - -fixed volume, takes on the shape of its container and has no
definite shape
-Gases - -volume of gas is decided by the container, changes in
temperature and pressure
-Kinetic Molecular Theory of Matter - -interoperates the properties of solids,
liquids, and gases
, -Kinetic Energy - -energy associated with motion
-Solution - -homogeneous mixture of water and a dissolved substance.
-Heterogenous - -More than one substance
-Homogenous - -two or more substances
-Elements - -substances composed of only one type of atom
-Atom - -smallest particle of an element that retains the characteristic
chemical property of that element
-Ion - -electrically charged atoms or groups of atoms
-Physical Change - -change in physical properties, identity preserved
-Chemical Change - -one or more substances are transformed into one or
more substances
-Potential Energy - -energy associated with objects position
-Intermolecular Forces - -holds atoms together
-Charge - -number of protons - number of electrons
-Atomic Number - -number of protons in the nucleus
-J.J. Thompson - -plumb pudding model
-Coulomb - -gave a description of the electrical forces between atoms
-Rutherford - -gold foil experiment, conclusion that there are charged
particles
-Molecular Compounds - -compounds that consist of discrete molecules at
the particulate level
-Ionic Compounds - -consist of ions, atoms, or groups of atoms that bear a
positive or negative electrical field
-Binary Compounds - -"two-element" of non-metals
-Compound - -combination of two or more elements
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