Can someone answer this question ill give braniest to the right one

Which is a character of nuclear fusion but not nuclear fission

Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0

Two things that biomedical has invented or innvated