有同學問到什麼是amu????? amu=原子質量單位(atomic mass unit，簡稱a.m.u.) 是 ... 所以1 amu = (1.99 x 10 -23) / 12 = 1.67 x 10^-24 (g) = 1個質子的質量大家常 ... ... <看更多>

You are correct, but to make it a little more clear you can include the assumed "atom" in the denominator of amu: mC12=12 amuatom−1mC12=12 gmol−112 ... ... <看更多>

How many grams does 20 atoms of calcium weigh?————————————INTERVIEW1) Revell, K. (November 16, 2016) “An Interview with Heath Giesbrecht, ... ... <看更多>