PL H What is the relationship between the length of a lever and the force required? (where should the fulcrum be to get the best advantage?)

The answer should be fulcrum

Explanation:

It would be easier if you game me choices to pick from

a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.