Question

A parti das seguintes massas isotopicas e abundâncias calcule a massa atômica do magnésio :
24 78,60%23,993
25 10,11%24,994
26 11,29%25,991

Answer 1

78,6(23,993) + 10,11(24,994) + 11,29(25,991) / 100 =

u ≈ 24.31