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Magnesium has 12 protons. how many electrons are in its second energy level?
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Light waves can move through , but they travel fastest when they move through a(n) .
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What volume does 1.70 Γ10β3 mol of chlorine gas occupy if its temperature is 20.2 Β°c and its pressure is 795 mm hg?
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The equation below shows a chemical reaction. a + b + heat β> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.
Answers: 1
Magnesium has 12 protons. how many electrons are in its second energy level?...
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