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Transcript
Bohr’s Atomic Model Quiz
1. A model of the atom which explained the atomic emission spectrum of hydrogen was
proposed by _____.
a) Ernest Rutherford
b) Neils Bohr
c) J.J. Thomson
d) Erwin Schrödinger
2. Which describes the orbits of the electrons according to the Bohr model?
a) The orbits are highly elliptical.
b) Electrons cannot move between orbits.
c) The orbits are at fixed distances from the nucleus.
d) Electrons continually radiate energy as they orbit the nucleus.
3. Bohr’s atomic model is also commonly called the _____ model.
a) planetary
b) nuclear
c) plum pudding
d) quantum mechanical
4. Bohr received a Nobel Prize for his work. In what year and for what subject was that
Nobel Prize?
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5. What happens when an electron in a hydrogen atom moves from the excited state to the
ground state?
a) A quantum of energy is absorbed.
b) A different electron moves from the ground state to the excited state at the same time.
c) Continuous amounts of energy are released.
d) A photon is emitted.
6. What theory is based on the idea that matter and energy have properties of both
particles and waves?
7. Where, relative to the nucleus, is the ground state of a hydrogen atom?
a) closest to the nucleus
b) furthest from the nucleus
c) Its location varies, depending on the state of the hydrogen.
d) Hydrogen does not have a ground state.
8. Electrons cannot exist at the spaces in between the Bohr orbits.
a) True
b) False
9. What was the difficulty with Bohr’s model of the atom?
a) It was too complicated.
b) It only explained the atomic emission spectrum of hydrogen.
c) It incorrectly predicted the electron energy levels of the hydrogen atom.
d) It was not an improvement on the nuclear model of Rutherford.
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10. Bohr’s atomic model is still accepted in its entirety.
a) True
b) False
3