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Electrons
Test Description: Questions about the arrangement of electrons
Instructions: Answer all questions to get your test result.
1) According to the Bohr model of an atom, which particles are only allowed to exist in a specific energy level?
A
Both protons and neutrons
B
Neutrons
C
Electrons
D
Protons
2) The line emission spectrum of an atom is caused by the energy that is released when an electron:
A
jumps from one atom to another
B
jumps to a higher energy level from a lower one
C
jumps from ground state to excited state
D
jumps to a lower energy level from a higher one
3) Which color of ligth in the visible spectrum has the longest wavelength?
A
Yellow
B
Green
C
Blue
D
Red
4) What is the relationship between wavelength and energy?
A
As energy increases, wavelength increases
B
As energy increases, wavelength remains the same
C
As energy decreases, wavelength decreases
D
As energy increases, wavelength decreases
5) In the equation c = wavelength x frequency, what does c represent?
A
Planck's constant
B
The speed of light
C
The period
D
The amplitude
6) Because excited hydrogen atoms always produced the same line-emission spectrum, scientists believed that hydrogen
A
only released certain amounts of energy
B
could exist only in the ground state
C
had no electrons
D
did not release energy
7) A quantum of energy is the
A
Continuous spectrum of energy given off by an atom
B
Minimum quantity of energy that can be lost or gained by an atom
C
Wavelength of electromagnetic energy gained by an atom
D
Frequency of electromagnetic energy given off by an atom
8) A form of energy that travels as a wave through space is
A
microwave radiation
B
electromagnetic radiation
C
infrared radiation
D
ultraviolet radiation
9) Which orbitals can be modeled as dumbell shape?
A
s
B
d
C
p
D
f
10) What is the correct notation for a sublevel in the first energy level?
A
1d
B
1s
C
1p
D
1f
*select an answer for all questions
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