In naturally occurring unsaturated fatty acids the double bonds are:
A-all cis
B-all trans
C-both cis and trans
D-neither cis nor trans

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

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

When a septic tank backs up a goes in to clean it out