In a good conductor, the highest energy band containing electrons is
A)
only partially filled.
B)
completely filled.
A
You might also like to view...
If gravity alone acts to retard the expansion and nothing acts to accelerate it, the Universe is said to be closed if I. gravity is strong enough to stop the expansion in a finite time. II. the density of the Universe is less than the critical density. III. the Universe is finite
a. I & II b. I & III c. II & III d. I, I, & III e. None of the other choices are correct.
Which scientists played a major role in overturning the ancient idea of an Earth-centered universe, and about when?
A) Copernicus, Kepler, and Galileo; about 400 years ago B) Aristotle and Copernicus; about 400 years ago C) Newton and Einstein; about 100 years ago D) Huygens and Newton; about 300 years ago E) Aristotle and Plato; about 2,000 years ago
The Hawaiian Islands were formed when
A) oceanic crust sank below continental crust at a tectonic plate boundary B) volcanic material flowed out from the interior at a hot spot beneath the Pacific Ocean C) molten lava oozed out between two tectonic plates that were slowly moving apart D) dense material sank while lighter material rose to the surface during the early geological history
An alternate version of the uncertainty principle exchanges the uncertainties in position and momentum with uncertainties in __________ and time interval.
A. angular momentum B. charge C. angle D. energy E. wavelength