I just need help describing what each one is, plz help ty

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 of the following statements is true about planck’s law

Stage in which a typical star has completely stopped fusion