Transfer of electrons

Here are the answers to my last blog, 27th July 2012

The electron arrangements of sodium and chlorine are as follows:

Na  2,8,1         Cl  2,8,7

When sodium reacts with chlorine the outer electron from sodium is transferred to the outer electron shell of chlorine.

Image

Two ions are formed during the reaction (transfer process), Na+ and Cl-.

Image

The electron arrangements of the two ions are:

Na+  2,8          Cl-  2,8,8

So which members of the nobility do the two ions copy with their electron arrangements?

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