Please help.
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If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?
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What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?
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Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction
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What properties would have caused early researchers to name hydrogen "inflammable air”
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