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An atom's first 2 energy levels are filled and there are 2 electrons in the third energy level. It's atomic number is:
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Consider the balanced equation below. n2h4 + 2h2o2 n2 + 4h2o what are the mole ratios of hydrazine (n2h4) to hydrogen peroxide (h2o2) and hydrazine to water? 1: 2 and 1: 4 1: 3 and 1: 4 1: 2 and 3: 5 1: 3 and 3: 5
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Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole
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If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution
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An atom's first 2 energy levels are filled and there are 2 electrons in the third energy
level. It'...
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