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watching
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19 Nov 2019
What is the correct symbol for each isotope described below? Write your answer in the format^AX. 18 protons and 17 neutrons 13 protons and 16 neutrons 17 protons and 20 neutrons 19 protons and 20 neutrons
What is the correct symbol for each isotope described below? Write your answer in the format^AX. 18 protons and 17 neutrons 13 protons and 16 neutrons 17 protons and 20 neutrons 19 protons and 20 neutrons
Jean KeelingLv2
14 Aug 2019