Aluminum hydroxide, Al(OH)3(s), is very insoluble, but its solubility increases both at low pH and also at high pH. Explain.

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

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.