Derivation of bond length/bond order and bond energy/bond order formulae Bond length/bond order formula for NâO bonds. Development of this formula required a selection of suitable bond lengths for NâO single, double and triple bonds.
Dan Blocker, co-star of the television series Bonanza, died May 13, 1972 of a pulmonary embolism.
In 1972, during a standard gall bladder operation, Dan Blocker died on the operating table due to a pulmonary embolism. He was 43. Being between seasons, the cast and crew of Bonanza were shocked and left with a problem.