1. This is a group of atoms that have the same atomic number and the same mass number.
chrispohmomanyi answered the question on October 10, 2017 at 04:51
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Date posted: October 10, 2017. Answers (1)
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Date posted: October 10, 2017. Answers (1)
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Date posted: October 10, 2017. Answers (1)
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Date posted: October 9, 2017. Answers (1)
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Date posted: October 9, 2017. Answers (1)
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Date posted: October 9, 2017. Answers (1)
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Date posted: October 9, 2017. Answers (1)
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Date posted: October 9, 2017. Answers (1)
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Date posted: October 9, 2017. Answers (1)
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Date posted: October 9, 2017. Answers (1)
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Date posted: October 9, 2017. Answers (1)
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Date posted: October 9, 2017. Answers (1)
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Date posted: October 9, 2017. Answers (1)