Knowing that the atomic number of neon is greater than that of helium, at the same temperature and pressure, how does the speed of sound in helium gas compare to the speed of sound in neon gas?
A) greater in neon than in helium
B) greater in helium than in neon
C) the same in both gases
D) depends on the frequency of the sound generated
Answer: B
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The density of metals is ______________relative to their atomic weights, in comparison to covalently bonded materials with the same interatomic spacing.
Fill in the blank(s) with the appropriate word(s).
In terms of axial tilt, which of the jovians shows us the largest inclination?
A) Jupiter B) Saturn C) Uranus D) Neptune E) Pluto
In a transformer, how many turns are necessary in a 110-V primary if the 24-V secondary has 100 turns?
A) 458 B) 240 C) 110 D) 22 E) 4
Of the known planets in our solar system, the innermost is Mercury. When compared to the other planets in the system, Mercury has:
a. the greatest centripetal acceleration. c. the smallest speed. b. the greatest period of revolution. d. none of the above properties.