CHEM 110 Study Guide - Midterm Guide: Nanometre, Abbreviation, Kilogram
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Mid-term Study Notes
STRUCTURE OF AN ATOM
Atoms of different elements will have different numbers of protons, electrons, and neutrons.
Mass number
A = # p+ + # no
Atomic number
Z = # p+ = # e-
Atomic symbol
MOLES
-1 mol of particles contains 6.023 Χ 1023 particles/ atoms
- n = m / mm
SI UNITS