The *independent* variable is the one that you always can control. However, the dependent variables are not since they **depend** on another.
I believe that there are 12 oxygen atoms in aluminum sulfate, And 1 Sulfur and 2 aluminum. If you need anything else let me know.
Answer:
1
Explanation:
outershell atoms of an element are also known as valency of that element
so the valency and number of elctron in the outershell of a sodium atom is +1.
hope this will help
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A. Dalton's theory that atoms could not be divided was incorrect
