Benzene (c6h6) is a common solvent. the boiling point of the liquid is 80.1 oc at atmospheric pressure. c6h6 (l) → c6h6 (g) what are the changes in free energy (δgo ), enthalpy (δho ), and entropy (δso ) for the process carried out at 80.1o c. what are the changes in free energy (δgo ),

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