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Single Bond

Key Stage 4

Meaning

A single bond is a chemical bond in which only one electron is shared or transferred from the outer shell.

About Single Bonds

In covalent bonds a single bond means one electron from the outer shell of an atom is shared.
In ionic bonds a single bond means one of the atoms has gained or lost just one electron that has been transferred to another element.

Examples

Chlorine-Chlorine.png
HydrogenDotandCrossDiagram.png
BallandStickWater.png
In this structural diagram a single bond is shown between two Chlorine atoms. In this dot and cross diagram the two Hydrogen atoms in a Hydrogen molecule are shown to each share only one electron in a single bond. In this ball and stick model of Water the Oxygen in Water shares one electron (shown by one stick) with each Hydrogen atom forming two single bonds.