WILL MARK BRAINLIEST PLEASE HELP ASAP

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

Which best explains why an iceberg floats?

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?