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Scientists have discovered just over different elements with unique properties.
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List four observations that indicate that a chemical reaction may be taking place
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If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?
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An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.
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Scientists have discovered just over different elements with unique properties....
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