In bond properties dialog you can set the type, the topology and reacting center property of the selected bond(s).
How to change bond properties
Right-click on a bond and choose Bond property from the context menu. In the opening Bond properties dialog set the appropriate values from the lists, then click OK.
Type: single, double, triple, aromatic, up, down, single up or down, double cis or trans, double cis or trans or unspecified, single or double, single or aromatic, double or aromatic, any, coordinate, position variation bond
Topology :
undefined (default value)
in ring
in chain
Reacting center
undefined (default value)
center - #
make or break - ||
change - |
make and change - |||
not center - X
Stereo search
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Off