Tutorial 1: Atomic Structure and Bonding in Solids 1. (a)Cite the difference between atomic mass and atomic weight. (b)Silicon has three naturally-occurring isotopes as shown in the table below. On the basis of this data, confirm that the average atomic weight of Si is 28. 0854 amu. Silicon Isotope Natural Abundance The atomic mass of isotope (AMU) 28Si 92. 23 % 27. 9769 29Si 4. […]
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