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The atomic number of krypton (Kr) is 36, and its mass number is 84. How many neutrons does it have? 18 36 48 72
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The atomic number of krypton (Kr) is 36, and its mass number is 84. How many neutrons does it have?

18



36



48



72

User Ygesher
by
7.9k points

2 Answers

2 votes
The answer is letter c 48
User Lighthart
by
7.7k points
7 votes
mass # - atomic # =
# neutrons

84 - 36 = 48

Answer = 48 neutrons
User Rebeku
by
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