Chemical Engineering - Nuclear Power Engineering - Discussion

10. 

The ratio of neutrons to protons of an element having a mass number and atomic number of 80 and 40 respectively is

[A]. 1
[B]. 0.5
[C]. 2
[D]. 4

Answer: Option A

Explanation:

No answer description available for this question.

Vinsiya said: (Nov 26, 2015)  
Mass number = Neutrons+Electrons.
Atomic number = Electrons (or) Protons.

80 = Neutrons+40.

Neutrons = 40.
Protons = 40.

Then ratio = 40/40 = 1.

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