Consider ground-state helium having two electrons in orbit. If one of the electrons has quantum numbers (n, ?l, m1, ms) of 1, 0, 0, -1/2 respectively, the quantum numbers for the other electron will be
A) 1, 1, 1, +1/2. B) 1, 1, 0, -1/2.
C) 1, 0, 0, +1/2. D) none of the given answers.
C
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Consider a scale on which our entire Milky Way Galaxy is about the size (diameter) of a grapefruit. Which of the following best describes the size and distance of the Andromeda Galaxy on the same scale?
A) a grapefruit about 3 meters away B) a grapefruit about 3 centimeters away C) a beach ball about the length of a football field away D) a peanut about 3 centimeters away E) a grapefruit about 3 kilometers away
In the sky, declination is measured in degrees north or south of the celestial equator
Indicate whether the statement is true or false
Which will warm up quicker in sunlight?
A) a piece of colored glass B) a piece of clear glass C) both the same
Corporate logos and contact links are used to answer a website visitor's ______ question.
A. Who? B. What? C. Why? D. Where?