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An atom has 25 protons,20 neutrons, and 19 electrons. which atom is this, what is the atom's mass number?
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Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3
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Asolid that forms and separates from a liquid mixture is called
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Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?
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An atom has 25 protons,20 neutrons, and 19 electrons. which atom is this, what is the atom's mass nu...
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