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    Chemistry
    Grade-9
    Easy

    Question

    What is the chemical formula of Aluminium Carbonate?

    1. Al2CO3
    2. Al2(CO3)3
    3. AlCO3
    4. Al2CO4

    Hint:

    To balance out the charges two aluminium and three carbonate ions are required.

    The correct answer is: Al2(CO3)3


      • In the chemical formula first metal name is written.
      • The metal cation is Al3+ and the anion is CO32-.
      • To balance out the charges two aluminium and three carbonate ions are required.
      • The chemical formula of Aluminium Carbonate is Al2(CO3)3.

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