What is the electronic configuration of sodium and chlorine? Why do Sodium and chlorine form ions and can they combine?
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1
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Sodium has only one electron in its outermost shell. So, sodium atom will donate one electron to chlorine atom and forms a sodium ion i.e. Na+. On the other side chlorine atomic number is 17, its electronic configuration is 2,8,7.
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16
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- Sodium valance electron is 1 as its electronic configuration is 2 8 1 and chlorine valance electron is 7 as its electronic configuration is 2 8 7.So na donates one electron to Cl.
- With the transfer of the electron, however, they become electrically charged, and combine into salts through the formation of ionic bonds. ... Because the sodium ion has a positive charge, and the chlorine ion has a negative charge, they are attracted to each other, and form an ionic bond.
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