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Bohr's Model Of The Atom
Test Description: This review is designed to reinforce Niel Bohr's contributions to the atomic theory.
Instructions: Answer all questions to get your test result.
1) Rutherford's model of the atom concentrated on the nucleus while Bohr's model focused on the:
A
electrons
B
quarks
C
protons
D
neutrons
2) The centerpiece of the modern atomic theory is on:
A
proton arrangement
B
quark and hadron arrangement
C
neutron arrangement
D
electron arrangement
3) In Bohr's model, electrons move around the nucleus at constant speeds, but, in what type of orbits?
A
variable
B
low energy
C
fixed
D
fluctuating
4) In Bohr's model of the atom, the energy level closest to the nucleus would be the:
A
highest energy level
B
average energy level
C
valence energy level
D
lowest energy level
5) As we move away from the nucleus of an atom, each preceding orbit of electrons represents a:
A
valence energy level
B
lower energy level
C
higher energy level
D
average energy level
6) As we move closer to the nucleus of an atom, each preceding orbit of electrons represents a:
A
average energy level
B
lower energy level
C
valence energy level
D
higher energy level
7) What happens to the energy of an electron if it moves from one energy level to another energy level farther away from the nucleus?
A
becomes an ion
B
loses energy
C
stays constant
D
gains energy
8) What happens to the energy of an electron if it moves from one energy level to another energy level closer to the nucleus?
A
gains energy
B
stays constant
C
loses energy
D
becomes an ion
9) When an electron jumps from one energy level to another energy level, what determines the size of the jump?
A
distance between energy levels
B
amount of energy
C
charge of the electron
D
atomic number of the element
10) What determines the difference in energy between two energy levels?
A
number of valence electrons
B
distance between the two energy levels
C
number of electrons in the energy levels
D
distance from the nucleus
*select an answer for all questions
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