Grade 8 Chemistry – Unit 3: Some important non-metals
Carbon | ካርበን
Nitrogen and phosphorus | ናይትሮጅን እና ፎስፈረስ
Sulphur and Oxygen | ሳልፈር እና ኦክስጅን
Uses of some common compounds of non-metals | አንዳንድ ብረታማ ያልሆኑ ዉህዶች ጠቀሜታ
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Nitrogen and phosphorus | ናይትሮጅን እና ፎስፈረስ
