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Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
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Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false
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Which mass of urea, co(nh2)2, contains the same mass of nitrogen as 101.1g of potassium nitrate?...
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