Answer:
in an oxygen atom there are:
protons:8
electrons:8
neutrons:8
Explanation:
this is because the atomic number of oxygen is 8 and that is the proton number and the electron number is the same as the atomic number
Answer:
11 molecules of CH4.
23 atoms of C is the leftover.
Explanation:
Hello!
In this case, for the formation of methane:

We can see there is an excess of carbon based on their stoichiometry, because the needed amount of hydrogen gas molecules would be:

Thus, the formed molecules of methane are computed below:

In such a way, the leftover of carbon atoms are:

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I can’t see the choices can you take another picture of this assignment please so i can help you