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Chemistry, 22.06.2019 05:20
Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.
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If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?
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The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
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