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What is the relationship between the number of protons and the number of electrons in an atom?
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When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)
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How do you know when a chemical reaction has occurred
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In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 4.20 mol fe and 6.70 mol nio(oh) react?
Answers: 3
What is the relationship between the number of protons and the number of electrons in an atom?...
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