1.

Study the given mass spectrum of magnesium carefully. The number of protons in \[^{\text{26}}\text{Mg}\], number of neutrons in \[^{\text{25}}\text{Mg}\], and the relative atomic mass of Mg are respectively

A. 12, 13 and 25
B. 16, 12 and 24
C. 14, 13 and 25
D. 12, 13 and 24.32
Answer» E.


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