Which group is the nearest neighbor to the noble gases in the periodic table?
a. Noble gases
b. Alkaline earth metals
c. Halogens
d. Alkali metals
c
Physics & Space Science
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Orion is visible on winter evenings but not summer evenings because of
A) the location of Earth in its orbit. B) baseball on television. C) interference from the full moon. D) the precession of Earth's axis. E) the tilt of Earth's axis.
Physics & Space Science
An object has been located orbiting the Sun at a distance from the Sun of 65 AU. What is the approximate orbital period of this object?
a. 65 years b. 275,000 years c. 4225 years d. 8.1 years e. 524 years
Physics & Space Science
The principal refraction of light by the eye occurs at the
A) cornea. B) lens. C) sclera. D) iris. E) retina.
Physics & Space Science
In the equation A = B/C, the A and C are said to be _______________ proportional
a. directly b. inversely c. not d. exactly
Physics & Space Science