C2(i) - Bonding and Reactions 7.

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Covalent Bonding.

Covalent Bonds Means Sharing Electrons.

1) Sometimes atoms prefer to make covalent bonds by sharing electrons with other atoms.

2) This way both atoms feel that they have a full outer shell.

3) Each covalent bond provides one extra shared electron for each atom.

4) Each atom involved has to make enough covalent bonds to fill up its outer shell.

5) There are seven important examples:

1) Hydrogen, H2                                             2) Chlorine, Cl2

Hydrogen atoms have just one electron.          Chlorine atoms…


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