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What would be the symbol representing calcium atoms that have lost two electrons
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If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and neglecting air resistance. what is its vertical displacement (in m) after 6 s?
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Which describes an image that can be produced by a concave lens? the image is real and smaller than the object. the image is virtual and larger than the object. the image is virtual and smaller than the object. the image is real and larger than the object.
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Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more
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For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up
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What would be the symbol representing calcium atoms that have lost two electrons...
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