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Chemistry Unit 1.3: Structure and Bonding
Ionic bonds are a type of chemical bond based on electrostatic forces between two oppositely-charged ions.
In ionic bond formation, a metal donates an electron, due to a low electronegativity to form a positive ion or
cation. Often ionic bonds form between…

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Metallic bonding is the bonding within metals. It involves the delocalised sharing of free electrons among a
lattice of metal atoms. Thus, metallic bonds may be compared to molten salts.
Metal atoms typically contain a high number of electrons in their valence shell compared to their period or
energy level.…

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In a complex molecule even if the bonds in the molecule are all polar bonds, the molecule overall may not be
polar because of the slight charges cancelling out. This is true in molecules such as , but not in
molecules such as where the charges do not cancel out.…


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