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رموز العناصر والمحموعات الذرية
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Q1
Score: 1
ClO3
CrO4
CO3
Q2
Score: 1
Ca
Mg
K
Q3
Score: 1
السيليكون
الكبريت
النيتروجين
Q4
Score: 1
فلور
كلور
حديد
Q5
Score: 1
النترات
الأمونيوم
النتريت
Q6
Score: 1
النحاس
الكربون
الكالسيوم
Q7
Score: 1
NO3
OH
SO4
Q8
Score: 1
K
N
O
Q9
Score: 1
كربونات
كبريتات
فوسفات
Q10
Score: 1
HCO3
HSO4
HPO4
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