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Author Question: Beryllium's atomic mass is 9 and its atomic number is 4. How many neutrons are f (Read 1085 times)

Mr. Wonderful

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on: Apr 23, 2014
Beryllium's atomic mass is 9 and its atomic number is 4. How many neutrons are found in a beryllium atom?
A) 9
B) 13
C) 4
D) 5


Millan

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Reply #1 on: May 9, 2014
This is for essentials biology, right? the answer is D. Bye for now.


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Mr. Wonderful

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Reply #2 on: May 9, 2014
Thank you, you were right :D


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