How many atoms are in 32 g of zinc?

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

What is the number of neutrons in an atom with atomic mass of 35

Astudent uses universal ph paper to find the ph of three solutions . solution a has a ph of 5 solution b has a ph of 11 and solution c has a ph of 7 identify which solution is acidic which solution is neutral and which solution is basic