When the equation: __fe2o3(s) + __co(g) → __fe(l) + __co2(g) is correctly balanced using the smallest whole numbers, the coefficient of fe(l) is

What neutral atom is isoelectronic to mn+4

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

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?