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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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What is the percentage composition of carbon in the compound ch4
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In 2002, the rare earth elements mine in mountain pass, california was closed because
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Nitrogen monoxide, NO, reacts with hydrogen, H₂, according to the following equation.
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