Select the correct answer.
The atomic number of krypton (Kr) is 36, and its mass number is 84. How many neutrons does it have?
A.
18
B.
36
C.
48
D.
72
Answers
Answered by
2
Answer:
I know it's A=18 neutrons
Answered by
4
Answer:
The number of neutrons in krypton atom is 48. Atomic number is defined as the number of electrons or number of protons. Here it is stated as krypton's atomic number is 36. Mass number is defined number of protons or electrons and number of neutrons. here it is stated as krypton's mass number is 84.
Number of neutron=mass number-atomic number
Number of neutron=84-38
Number of neutron=48
Explanation:
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