In astronomy distances are often expressed in light-years
In astronomy, distances are often expressed in light-years. One light-year is the distance traveled by light in one year. If the distance to a star is 4.0 light-years, what is this distance in meters? (There are 365.25 days in one year.)
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In astronomy, distances are often expressed in light-years. One light-year is the distance traveled by light in one year
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They hydrogen atom is not actually electronegative enough to form bonds to xenon. Were the xenon-hydrogen bond to exist, what would be the structure of XeH4
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