Question

Criss cross method of silicon dioxide​

Answer 1

Answer:

Using the crisscross method, the resulting compound can be written by transferring the valence of each atom to the other, and writing them as a subscript. The molecule resulting from the combination of silicon and oxygen is silicon dioxide, or SiO2

Explanation:

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Answer 2

Please see the picture attached with this answer. Remember, the valencies should be reduced to a simple ratio by dividing them with common factors, if needed.

For example, the valencies of Si and O are 4 and 2 respectively and they should be reduced to the simple ratio 4:2 or 2:1

After that criss cross the valencies of Si and O to get the chemical formula, SiO2