Help Help Identify if the following reaction is a precipitate reaction. If it is a
precipitate reaction identify the precipitate.
2 NaC2H3O2 + H2SO4 = Na2SO4 + 2 HC2H302

A. No precipitate - all are soluble
B. No precipitate - all are insoluble
C. Na2SO4 is the precipitate
D. HC2H3O2 is the precipitate

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

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

Complete each row of the table below by filling in the missing prefix or missing exponent.