4. Describe JJ Thomoson experiment that determined the mass-to-charge ratio
of the electron.
5...
4. Describe JJ Thomoson experiment that determined the mass-to-charge ratio
of the electron.
5. Describe Millikan oil drop experiment. How did Millikan determine the charge
on an electron?
6. What is radioactivity? How was it discovered?
7. How do Gamma rays differ from X-rays? How are the two kind of ray
similar?
8. How is the discovery of radioactivity cause Dalton's Atomic theory to be
modified?
9. What is Atomic structure?
10. Who discovered the Atomic structure?
11. Radio station KF operates at frequency of 992 KHZ on AM band - what is the
wave length in meters of radio Waves
12.Calculate the energy in joules of a photon of red light that has a frequency of
3.73 X 1014 s
Answers: 2
Chemistry, 22.06.2019 09:00, lrasanaoaksandfurana
Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?
Answers: 1
Chemistry, 22.06.2019 20:10, sarahalexa19
Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )
Answers: 2
Chemistry, 22.06.2019 21:30, starl0rd211
Describe at least two advantages and two disadvantages of using hydropower as a source of energy.
Answers: 2
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