1 Atomic Structure
It has been found that nuclides with 2, 8, 20, 50, 82, and 126 protons or neutrons are exceptionally stable. These numbers are referred to as the magic numbers and their existence has led us to: 1) the idea of periodicity in nuclear properties similar to the periodicity of chemical elements in periodic table. 2) the so-called "liquid drop model of the nucleus" 3) the so-called "shell model of the nucleus" 4) have a convenient explanation of "nuclear fission"
The idea of periodicity in nuclear properties similar to the periodicity of chemical elements in periodic table the so-called "shell model of the nucleus".
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