An electron is in its lowest energy level when
a. it is free of nuclear forces.
b. its momentum is zero.
c. it is in its ground state.
d. none of these.
c
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What does this suggest regarding geologic activity on Venus? Do we expect Venus to be geologically active? How did scientists test this hypothesis?
The Moon has a period of rotation that is ________ to its period of revolution
Fill in the blank(s) with correct word
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Superconducting electromagnets
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