Geography
Geography, 16.12.2020 19:20, iicekingmann

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

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An element has an atomic number of 54 and contains 25 neutrons. What is the elements atomic mass?

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