How many neutrons are present in atom with mass number and atomic number 37 and ...
Question
How many neutrons are present in atom with mass number and atomic number 37 and 17 respectively?
Options
A)
18
B)
20
C)
37
D)
17
The correct answer is B.
Explanation:
The mass number = number of neutrons + atomic number.
number of neutrons = The mass number - atomic number.
number of neutrons = 37 - 17 = 20
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