Final answer:
The claim that Period 5 elements have six 4p electrons is false since not all elements in period 5 have their 5p sublevel fully occupied, and because the 5p sublevel only fills after the 5s and 4d sublevels.
Step-by-step explanation:
The statement that Period 5 elements have six 4p electrons is false. Within the periodic table, the elements in period 5 begin filling the 5s orbital and then move to the 4d orbitals before filling the 5p orbitals. There are elements on the periodic table, and as we progress through the periods, the number of available orbitals for electrons increases. Specifically for period 5, the 5p sublevel, after having 5s and 4d sublevels filled, can eventually hold a total of six electrons but not all elements in period 5 have six 4p electrons because not all elements in period 5 have their 5p sublevel fully occupied.