According to Pauli's exclusion principle, how many electrons in an atom may have a particular set of quantum numbers?
A) 1
B) 3
C) 2
D) 4
E) 5
A
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In video 1 for Chapter 17, how does the fringe spacing change when the distance between the slits, d, is increased?
A. The fringes get farther apart. B. The fringe spacing stays the same. C. The fringes get closer together. D. It depends on how wide the slits are.
According to our theory of solar system formation, where did the comets of the Oort cloud form?
A) in the inner solar system B) far beyond the orbit of Pluto C) in the region of the jovian planets D) in the asteroid belt
A distinctive feature of quarks is that they
A) are always observed singly, since they do not readily interact with other particles. B) have zero charge. C) have zero rest mass. D) have fractional electric charge.
Given that the binding energy of the hydrogen atom in its ground state is -13.6 eV, what is the energy when it is in the n = 5 state?
A) -2.72 eV B) 0.544 eV C) -0.544 eV D) 2.72 eV