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An iron atom had an atomic number of 26 and an atomic mass 55.8 may. how many protons does an atom have
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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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Which statement describes james chadwick’s discovery.
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Chemistry, 22.06.2019 16:30, jrfranckowiak
At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?
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An iron atom had an atomic number of 26 and an atomic mass 55.8 may. how many protons does an atom h...
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