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Which of the listed properties is the same for the elements beryllium (be), magnesium (mg), and calcium (ca)? reactivity atomic radii number of energy levels number of valence electrons
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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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According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead
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The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what
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Which of the listed properties is the same for the elements beryllium (be), magnesium (mg), and calc...
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