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

asked May 10, 2018 99.2k views

2 votes

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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2 votes

The answer is letter c 48

Lighthart answered May 12, 2018

6.2k points

7 votes

mass # - atomic # =
# neutrons

84 - 36 = 48

Answer = 48 neutrons

Rebeku answered May 14, 2018

6.8k points

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