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An element has an atomic number of 54 and contains 25 neutrons. What is

the elements atomic mass?
A. 54 amu
B. 25 amu
C. 29 amu
D. 79 amu

1 Answer

6 votes

Answer: The answer would most likely be 79 amu or 29 amu if you read a lesson on it it should tell you whether to add or subtract i took this class 3 years ago so i am a little foggy but either C or D is correct. Hope this helps!

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User Bob John
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