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Complete the table to show the formulae of the oxides of A, E, G, and L.

Chemistry

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here are the solutions to question 7:

7. Study the table below and use it to answer the questions that follow.

a) Complete the table to show the formulae of the oxides of A, E, G, and L.

Step 1: Determine the valency of each element based on its atomic number.

  • Element A (Atomic number 11, Sodium) is in Group 1, valency +1.
  • Element E (Atomic number 13, Aluminum) is in Group 13, valency +3.
  • Element G (Atomic number 14, Silicon) is in Group 14, valency +4.
  • Element L (Atomic number 16, Sulfur)
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