Chem 14A Midterm Answers - University of California, Los Angeles CHEM 14A
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Module
CHEM 14A
Institution
CHEM 14A
FALL 2018
MIDTERM
(Total number of pages = 10)
(Total points = 110)
(Total time = 110 minutes)
**Carefully remove the last two pages: Constants and Formulas, and Periodic Table.**
YOUR DISCUSSION SECTION ......................................
YOUR TA’s NAME …………………………�...
,I. Introduction
• Early 19th century: Classical Physics
– Newtonian Mechanics: Moving object’s t
– Opposite charges attract, like char
– Subatomic particles: electrons, pro
• From Rutherford’s gold foil experime
– At the center of an atom is a dens
charged area called theNUCLEUS.
– Neutrons and protons exist inside
, II. Electromagnetic Rad
• Early experiments that challenged c
physics dealt with light, which is a f
called electromagnetic radiation.
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