Use the periodic table to answer the following questions. How many valence electrons does magnesium have? 2

Type in the correct values to correctly represent the valence electron configuration of magnesium: AsB

A = 3
B = 2
What is the charge of a magnesium ion? +2

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

What three things determine the shape and size of a puddle when water is poured out onto a surface

Which compound contain an iron with a 3+ charge