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Atomic Emission Spectra Quiz
1. What is the ground state of an atom?
2. What happens when an atom that is in its ground state is supplied with energy?
a) Electron(s) move from lower energy levels to higher energy levels.
b) Electron(s) move from higher energy levels to lower energy levels.
c) Protons are separated from one another in the nucleus.
d) A quantum of energy is released.
3. Which statement correctly describes the energy that is absorbed by an atom?
a) Any amount of energy can be absorbed by an atom.
b) Only energies below the threshold energy can be absorbed by an atom.
c) The energy that can be absorbed by an atom is quantized.
d) Atoms of an element can only absorb a specific energy corresponding to that element.
4. The state of the atom in which one or more electrons occupy a higher energy level is
called the _____.
a) elevated state
b) unstable state
c) ionized state
d) excited state
5. When an electron in an atom moves from high to low energy levels:
a) alpha particles are emitted
b) energy is emitted as electromagnetic radiation
c) gamma rays are emitted
d) energy is absorbed
6. A tube filled with gas through which electricity is passed is called a(n) _____.
a) spectroscope
b) atomizer
c) spectrophotometer
d) gas discharge tube
7. When light released as a result of electrons falling back down to the ground state is
viewed through a spectroscope (prism), the result is called a(n) _____.
a) atomic emission spectrum
b) continuous spectrum
c) visible absorption spectrum
d) nuclear resonance spectrum
8. Hydrogen’s spectrum consists of ____ lines of visible light.
a) 2
b) 4
c) 8
d) 20
9. Each element produces a unique atomic emission spectrum.
a) True
b) False
10. What would an atomic emission spectrum look like if the electron’s energy levels in an
atom were NOT quantized?
a) There would be fewer lines.
b) The lines would all be shifted into the ultraviolet region.
c) There would be more lines.
d) The spectrum would be continuous.