Bond Builder

Build the electrons, bonds and charges yourself

Work out the electron transfer or sharing yourself. Ionic, single, multiple and dative bonding are kept separate until the mixed challenge.

BoardAQA

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RepresentationLines + electrons

IonicElectron transfer forms ions. The ionic bond is the electrostatic attraction between oppositely charged ions.

CovalentA shared pair of electrons forms a covalent bond. Multiple bonds contain more than one shared pair.

DativeBoth electrons in the shared pair come from one atom. Draw the arrow from electron-pair donor to acceptor.