R rchl4454 Guest Sep 17, 2009 #1 What is the atomic mass of silicon if 92.21% of its atoms have mass 27.977 u, 4.70% have mass 28.976 u,and 3.09% have mass 29.974 u?
What is the atomic mass of silicon if 92.21% of its atoms have mass 27.977 u, 4.70% have mass 28.976 u,and 3.09% have mass 29.974 u?
