2. CI
Answers: 1
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The difference between the atomic number of an element and the element’s atomic mass is the number of ions.
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Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
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How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?
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Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green
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Write the electron configuration and Noble gas configuration for each element.
1. F
2. CI
2. CI
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