2:3. The neutral compound formed between aluminium and sulfur is Al2S3 since aluminium has the valence 3 and sulfur is 2. So there are 2 aluminium atoms for every 3 sulfur atoms and the ratio is 2:3.
Answer from: Quest
No table found. the question asks for covalent bond based on electronegativies
Answer from: Quest
It shows that the experiment is designed properly.
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