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Physics, 21.06.2019 17:30
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If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.
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Which of the following are forms of phase changes a. freezing b. condensation c. heating d. exchanging
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Torricelli invented a device for measuring air pressure called a(n)...
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