What is the ground state electron configuration for w?

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

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