For each of the following species, determine the number of protons and the number of neutrons in the nucleus: 3he2, 4he2, 24mg12,25mg12,48ti22, 79br35, 195pt78

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

What happens when the temperature of a solution increases?

Who discovered a pattern to the elements in 1869?