1. Examples of this use of single bonds include F 2, and HCl. 2. Double bonds involving carbon are stronger than single bonds and are also shorter. 3. A single bond firm, Cantor Fitzgerald, lost 700 professionals, most of them young. 4. Activated single bonds to heteroatoms can also be replaced by hydrogens ( hydrogenolysis ). 5. "' Polyenes "'are poly-dienes, where there are only two alternating double and single bonds . 6. Double bonds can react with hydrogen to form single bonds . 7. A reducing bleach works by converting double bonds in the chromophore into single bonds . 8. This is a consequence of the free rotation about a carbon carbon single bond . 9. This tendency reflects the greater stability of C-S single bonds . 10. Two carbon atoms share two electrons each with hydrogen atoms to form single bonds .