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How many energy levels (shells) does an atom of oxygen have? How do you know this by looking at the periodic table?
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The image below shows a weather service map.. i’m not sure if is correct
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Identify the missing coefficient in the balanced equation and classify the type of reaction. mg(oh)2 + h2so4 ⟶ mgso4 + 1; combustion 1; neutralization 2; combustion 2; neutralization
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How many energy levels (shells) does an atom of oxygen have? How do you know this by looking at the...
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