اختبار رموز العناصر والايونات١
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Q1           Score:  1
 -2 S
 +2 S
 +S
Q2           Score:  1
 +Na
 -Na
 2+ Na
Q3           Score:  1
 +Cl
 2+ Cl
 -Cl
Q4           Score:  1
 +2 O
 +2 Ar
 -2 O
Q5           Score:  1
 +3 Al
 -Al
 +2 Al
Q6           Score:  1
 Ba
 Be
 B
Q7           Score:  1
 +2 Cs
 + Cs
 + Sc
Q8           Score:  1
 1-
 2-
 3-
Q9           Score:  1
 2-
 2+
 1+
Q10           Score:  1
 3-
 3+
 5+


   



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