2.8 - standing at the goalpost, the electron would be at...

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                     Note:  The mass of the electron is on the order of 1000 times  smaller than protons and neutrons. Hence the mass of the atom  resides primarily in the nucleus. However, the volume is  determined by the electron orbitals.  If the nucleus were the size of a pin head, the closest electron  would be approximately a football field’s length away. The vast  majority of the atom is space! In this picture, if you were a pinhead 
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Unformatted text preview: standing at the goalpost, the electron would be at the far end of the field. What is in-between? Think about this! What does it say about the nature of the material world? atomic number, Z The number of protons in an atom. For an electrically neutral and complete atom this is equal to the number of electrons. The atomic number is the basis of chemical identification for an element....
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This note was uploaded on 06/10/2009 for the course ENGN 45 taught by Professor Wendy during the Spring '09 term at City College of San Francisco.

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2.8 - standing at the goalpost, the electron would be at...

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