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isotope
element
compound
mixture
allotrpoe
metalloid
malleable
ductile
valence
radioactivity
Quizzes: 1,2,3,4, sample quizzes, sample exam, sample problems on all lecture notes.
Finish reading Chapters 1,2,3,4,11, and 13.
Atoms - Atom of Democritus, Dalton's Postulates, Size of Atom
Structure of Atoms - nucleus (Rutherford's experiment, gold foil),
-Particles in the sub-structure of the atom: electrons, protons, and neutrons
-change in electrons -> ions; change in protons -> different element; change in neutrons -> Isotope
-Definition of element, compound, and mixture
-Atomic mass (Prout's hypothesis, isotopes, geonormal distribution)
-Spectra, esp. atomic spectra; know how spectra are related to atomic energy levels (e levels).
Atmosphere and Gases
-Earth's present atmosphere, layers: troposphere, stratosphere, and ionosphere; composition 80% N, 20% O
--Pollutants; CO2 <-> O2
Primitive atmosphere (methane, ammonia, water, and hydrogen)
--Urey's hypothesis, when surrounded by hydrogen:
Charge of nucleus is only relevant to Protons, can never be negative.
Don't worry about the Scientist Names.
atomic #
Letter
(209), longest halflife. () means radioactive.
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