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What is electron configuration of oxygen in its excited state
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Consider the nuclear equation below. 239 > x + 4 he 94 2 what is x? 1.235 cm 96 2.243 u 92 3.235 u 92 4.243 cm 96
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Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
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Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released
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What is electron configuration of oxygen in its excited state...
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