Question

In the chemical formula O2, what does the number 2 mean?

Answer 1

Answer:

........

Explanation:

02 means 2 in maths but in chemical formula it means 02 only

Answer 2

Answer:

We can now interpret chemical formula.

For Example, many people know that H2O is water, but now we know that H means hydrogen and the O means oxygen and the number 2 after the H means that there are two hydrogen atoms for every oxygen atom.

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