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The Atomic Model


An atom is the smallest part of a: element
A molecule is the smallest part of a: compound (2 or more atoms)
Mass of an electron: 0.00054u
Two characteristics of the nucleus: 1) Atomic # 2) Atomic Mass
What is an isotope? Isotopes of elements have all the same chemical characteristics. However, they differ in mass. The isotope closer to the average atomic mass has the largest natural abundance.
What is a radioisotope? Radioisotopes are made in nuclear reactors. The nuclei do not exist naturally. (radioactive)
Draw a Bohr-Rutherford diagram for a phosphorus atom, isotope P-32: (see pg. 8 of notebook)
Created by: zaraaa