How do you write copper sulphate?

Copper sulphate is written as CuSO4 in chemical formula notation, or copper(II) sulfate in word form.

Detailed Explanation:Correct Ways to Write It:

Chemical Formula:

• CuSO₄ (with subscript 4)
• CuSO4 (without subscript formatting)

Word Forms:

• Copper(II) sulfate (American English)
• Copper(II) sulphate (British English)
• Cupric sulfate (older nomenclature)

Hydrated Form:

• CuSO₄·5H₂O (pentahydrate with dot notation)
• Copper(II) sulfate pentahydrate

Writing Tips:

• Always capitalize Cu, S, and O
• Use subscripts for numbers (₄)
• Include "(II)" to specify oxidation state