Usually the number of protons matches the number of?

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action

The lab procedure involves several factors, listed below some were variable and some were constant. label each factor below v for variable ot c for constant

How many more valence electrons does sodium need to have a full outer valence shell