WordPress.com · 2019. 3. 29. · 39K* 79Br - 81Br proton (atomic) number 17 17 19 35 37 number of electrons in particle 17 18 36 35 36 [6] [Total: 71 [1] [1] Page 2 of 12 (b) Identify

Jan 27, 2021

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