Physics, 05.10.2019 06:30 bankscorneliuso39
The atomic number of krypton (kr) is 36, and its mass number is 84. how many neutrons does it have? 18 36 48 72
Answers: 2
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The atomic number of krypton (kr) is 36, and its mass number is 84. how many neutrons does it have?...
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