This is a great video describing atomic structure.
And here is an example of the structure of an iron atom.
Note that most of the electrons are ‘paired’ with the exception of a few ‘free’ electrons in the outermost orbit.
This is a great video describing atomic structure.
And here is an example of the structure of an iron atom.
Note that most of the electrons are ‘paired’ with the exception of a few ‘free’ electrons in the outermost orbit.