Question

chemistry: atom and molecules class-9

Answer 1

Answer:

(a) The molecular formula of Copper(II)bromide = CuBr2.

(b) The molecular formula of Aluminium (III) nitrate = Al(NO3)3

(c) The molecular formula of Calcium (II) phosphate = Ca3(PO4)2

(d) The molecular formula of Iron (III) sulphide = Fe₂S3

(e) The molecular formula of Mercury (II) chloride = HgCl₂

(f) The molecular formula of Magnesium (II) acetate = Mg(CH3COO)2

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Answer 2

Answer:

Answer a: Cu Br power 2

Answer b: Al( No 3)3

Answer c: Ca 3(Po 4)2

Answer d: Fe 2( So 4)3

Answer e: Hg cl2