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A double bond. Each atom that can share valence electrons has a bonding capacity corresponding to the number of covalent bonds the atom can form. When the bonds form, they give the atom a full complement of electrons in the valence shell. The bonding capacity of oxygen, for example, is 2. ( O=O )

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12y ago
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Derrick Quaye

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2w ago

Double

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Q: Sometimes atoms form molecules by sharing two pairs of valence electrons When this occurs the atoms are said to be joined by?
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