Conductor and Insulator (2)

The Music Telegraph | Text 2019/01/11 [12:43]

Conductor and Insulator (2)

The Music Telegraph| 입력 : 2019/01/11 [12:43]

▲ Copper (Cu): 29 protons, 30 electrons

© The Music Telegraph



 

Conductor and Insulator (2)

 

 

Fringe or valence shell is what we manipulate

 

When there is less than 1/2 of the maximum number or possible electrons in the valence shell, they are free electrons

==> this makes conductor

 

When there is  more than 1/2 of the maximum number of possible electrons in the valence shell, they are bound electrons

==> this makes insulator

 

 

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