How is an electon knocked out of its orbit in the first place?

Subject: How is an electon knocked out of its orbit in the first place?

Date: Thu Nov 1 17:16:16 2001
Posted by Patrick
Grade level: undergrad School: No school entered.
City: london State/Province: No state entered. Country: englsnd
Area of science: Physics
ID: 1004652976.Ph

Message:


Electron flow occurs when a flying electron hits an atom causing the electron 
in that atom to break away and collide with another atom and so on. But I don't 
understand how that first electron that starts the process is knocked out of 
its orbit?

Re: How is an electon knocked out of its orbit in the first place?

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