Determine the mass of Iron (III) oxide (Fe2O3) produced in the decomposition reaction of 100.0 grams of Iron (III) hydroxide (Fe(OH)3).
2 Fe(OH)3 (s) = 1 Fe2O3 (s) + 3 H20 (g)

grams

1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false