The quantum mechanical model of the hydrogen atom suggests a visual picture of the electron as which of the following?
a. planetary orbiting body
c. raisin in pudding
b. probability cloud
d. light quantum
B
You might also like to view...
One light-minute is the distance light travels in one minute. The speed of light is about 300,000 km/s (3×105 km/s). How far is one light-minute?
A) 300 thousand km (300,000, or 3 × 105 km) B) 9.46 trillion km (9,460,000,000,000, or 9.46 × 1012 km) C) 1.08 billion km (1,080,000,000, or 1.08 × 109 km) D) 18 million km (18,000,000, or 1.8 × 107 km)
A student attaches a length of nylon fishing line to a fence post. She stretches it out and shakes the end of the rope in her hand back and forth to produce waves on the line. The most efficient way for her to increase the wavelength is to
A. increase the tension on the hose and shake the end more times per second. B. decrease the tension on the hose and shake the end more times per second. C. increase the tension on the hose and shake the end fewer times per second. D. decrease the tension on the hose and shake the end fewer times per second. E. keep the tension and frequency the same but increase the length of the hose.
Which relative dating principle states that in an undeformed sequence of sedimentary rocks, each layer is older than the one above and younger than the one below?
A) original horizontality B) superposition C) cross-cutting D) inclusion
An object is thrown vertically into the air. In this case air resistance affects motion. Compared with its time for ascent, the time for its descent is
A) shorter. B) the same. C) longer. D) need more information