Formation of sodium chloride,artwork. At left are sodium (Na) and chlorine (Cl) atoms. At right is a molecule of sodium chloride (NaCl),or salt. This is an example of ionic bonding. Sodium,a metal,has a single electron in its outer shell. Chlorine,a non-metal,has seven out of a possible eight electrons in its outer shell. The sodium atom gives its outer electron to the chlorine atom,forming an ionic bond | |
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Crédit: | Science Photo Library / Jensen, Mikkel Juul |
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