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The atomic number of krypton (Kr) is 36, and it’s mass number is 84. How many neutrons do you have?

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Answer:

48 neutrons

Step-by-step explanation:

The atomic mass number of Krypton is 83.80 or 84, and the atomic number is 36, so 84 - 36 = 48. There are 48 neutrons inside the nucleus of one atom of Krypton.

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