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Explain the formation of covalent bond in chiorine molcule (Cl_(2)). |
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Answer» Solution :The atomic number of CHLORINE is 17, hence its electronic configuration is represented as, `{:(K,L,M),(2,8,7):}` Thus, chlorine has seven electrons in its valence M SHELL. It requires one more electron to fill the M shell. So, TWO chlorine atoms share their one electron each of M shell to form a molecule of chlorine `(Cl_(2))`. As a result, each chlorine atom attains the electronic configuration of the nearest noble GAS argon, which has eight electrons in its M shell. These two valence electrons are depicted by dots or crosses is shown as follows : 
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