Do covalent bonds form between:
Covalent bonds form between 2 non-metal atoms.
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Describe a covalent bond.
A covalent bond is the electrostatic attraction between a shared pair of electrons and the nuclei of the 2 bonded atoms.
It is formed when 2 atoms share electrons to gain a full outer-shell of electrons.
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How many electrons are shared in each covalent bond?
2 electrons.
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What is a ‘double bond’?
A double bond is when there are 2 covalent bonds between the same atoms, meaning there are 4 electrons being shared in total (2 electrons per covalent bond).
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Give 3 ways of drawing covalent bonds.
1Dot and cross diagrams.
2Displayed formula.
33D models.
(there are other types like skeletal formulas, but the 3 above are the ones from this topic)
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