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Question
Covalent bonds can be single, double or triple covalent bonds. How many electrons are shared in each? Give an example of each type.
Solution
- A single covalent bond is formed by sharing one pair of electrons between atoms, each atom contributes one electron. For example., Molecule of hydrogen [H-H]
- A double covalent bond is formed by the sharing of two pairs of electrons between two atoms. For example., Molecule of oxygen [O=O]
- A triple covalent bond is formed by the sharing of three pairs of electrons between two atoms. For example., Molecule of nitrogen [N≡N]
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