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Write a formula for the ionic compound that forms between each of the following pairs of elements.

1. aluminum and oxygen Express your answer as a chemical formula.
AlO and Al2O3 and Al2O3 the 2 was the bottom right cornor

and I got this message
Use subscripts to represent the number of each type of atom or ion in a molecule.

2. potassium and oxygen Express your answer as a chemical formula.
K2O2 and KO
and I got this for both answers.

Use subscripts to represent the number of each type of atom or ion in a molecule.

  1. 👍
  2. 👎
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  4. ℹ️
  5. 🚩

3 answers

  1. I finaly got #2 it is K2O

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    2. 👎
    3. ℹ️
    4. 🚩
  2. and I finaly got #1 it is Al2O3

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    4. 🚩
  3. Right. Al2O3 and K2O are correct.

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    2. 👎
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