The valency shell of element A contains three electrons, while the valence shell of element B contains six electrons. If A and B combines the probable formula of compound is

  • Option 1)

    AB2

  • Option 2)

    A2B

  • Option 3)

    A2B3

  • Option 4)

    A3B2

 

Answers (1)

i think option 3 is correct

A have charge of 3+ and B have the charge of 2- so when we combine them it should become A2B3

FOR E.G: AL2O3

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