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Chemistry, 20.10.2020 04:01 bray40

Which of the following represents a pair of isotopes? A. Ca+2, Be+2
B. 12C, 14C
C. Fe+2, Fe+3
D. 7N, 8O

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Which of the following represents a pair of isotopes? A. Ca+2, Be+2
B. 12C, 14C
C. Fe+2...
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Chemistry, 20.07.2019 12:00