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Unformatted text preview: Bond formed between uncharged atoms Since there is no electrostatic attraction, bond forms by the sharing of e- (valence e- ) Covalent compound is called a molecule Terminology Bond Strength energy required to break a bond Bond Axis imaginary line joined two bonded atoms Bond Length distance between 2 bonded nuclei along the bond axis Bond length is not actually fixed because the bond acts like a spring How to know when a compound contains a covalent bond compound contains 2 non-metals compound starts with H all polyatomic ions are covalently bonded together What about compounds which contain more than 2 elements? Compounds that contain more than 2 elements usually involve a polyatomic ion bonded to either another polyatomic ion or simply an ion. In these compounds both ionic and covalent bonding occur. The polyatomic ion is bonded covalently together. However, the polyatomic forms an ionic bond with the other polyatomic ion or plain ion....
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