Make an inference need work​

Who is better, messi or cristiano, i need this for a chemistry class. asap

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

Iwill give extra points to who gets this right