Help me please this is due today

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

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

What effect might melting sea ice have for people who live in coastal areas?