Why are the Lanthanoid and Actinoid series separated out from the main
periodic table?

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

If a solution had a ph of 7 what is the solution

The number at the end of an isotope’s name is the number.