A hydrogen atom is in the 6h state. How many electrons are allowed in this state?
A) 22
B) 18
C) 14
D) 10
E) 6
A
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Sunspot numbers follow a seven-year cycle
a. True b. False Indicate whether the statement is true or false
If air were a better conductor, at nighttime Earth would be
A) considerably colder. B) considerably warmer. C) not appreciably different in temperature.
You've been dropped at the edge of a cliff, looking down for what seems to be miles! There's only one way to go from here: up! But it's going to be quite a climb, requiring all of your mountaineering skills
The atmosphere is very thin even at the mean surface level of this place. No matter, though, as you could not breathe this atmosphere anyway because it is mostly carbon dioxide and contains no oxygen. You climb and climb. This mountain must be three times the height of Mt. Everest and much broader at its base. There are clouds around you, and you can find water ice as well. When you try to melt some ice, however, it does not turn to liquid but sublimes to gas.
Which of the following is not a characteristic of clastic sedimentary rock?
A) They are composed of small pieces of weathered rock. B) They are classified by particle size. C) They are created by precipitation. D) They may contain organic matter.