Biology

Biology, 12.07.2019 14:30, brionesoswaldo09

The atomic number of krypton(kr) is 36, and its mass number is 84. how many neutrons does it have?

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Chemistry, 04.07.2019 23:30, dpierc16

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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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