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Chemistry · Classification of Elements and Periodicity in Properties

हिन्दी

What is the formula of the compound formed between aluminium and sulphur?

  1. A
    AlS
  2. B
    Al₂S₃
  3. C
    Al₃S₂
  4. D
    AlS₂

Correct answer · Option B

Al₂S₃

Explanation

Aluminium belongs to group 13 with valence 3 and sulphur belongs to group 16 with valence 2, forming Al2S3.

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