A
B
C
D
E
F


G
H
i
J
K
L
Feel free to use your planner table,or look at mine on the wall during this quiz

How many different isotopes of Sodium are shown?

List the letters (A through L) of all the positive ions shown above:

List the letters (A through L) of all of the negative ions shown above:

Which atoms are neutral? (list them)

One of the atoms shown above is lacking the # of neutrons.  Whatshould this number be?