Download General (10A Chemistry 2021-2022) Microsoft Teams

CHM Evaluation 3
grade 10
chapter 5
time 30 min
* Required
* This form will record your name, please fill your name.
1. When an electron gains additional energy it moves to the energy level closer to the
nucleus. *
(1 Point)
True
False
2. When the electron is having its lowest Energy state it is said to be in the *
(1 Point)
exited state
ionized state
ground state
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3. Orange light has a frequency of 4.8 x 10^14 s-1. What is the energy of one quantum of
orange light?
(1 Point)
4. To calculate the frequency of the different lights of the hydrogens atomic emission
spectrum Boher calculated the energy of the released photon. *
(1 Point)
True
False
5. The visible series of the hydrogen atomic emission spectrum is called *
(1 Point)
Lyman
Balmer
Paschen
6. A _________ is the minimum amount of energy that can be gained or lost by an atom *
(1 Point)
quantum
photoelectric
spectrum
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7. All moving particles have wave characteristics and can be calculated by h/mv (plank's
constant divided by mass. speed) *
(1 Point)
True
False
8. What is the energy of one quantum of radiation having a wavelength of 3.36 x 10^-9
m?
(1 Point)
9. The transition of the hydrogen's electron from any exited state to n= ___________
produces the infrared series. *
(1 Point)
1
3
2
10. De Broglie agreed with Boher that the electrons moves around the nucleus in circular
orbitals *
(1 Point)
True
False
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2/20/2022