Answer:
In H2CO3(aq) + H2O(l) + CO2(g) there are:
4 hydrogen atoms
2 carbon atoms
6 oxygen atoms
Answer:
The answer is option B, that is, it has two oxygen atoms.
Explanation:
neon has 8valence electrons
chroline has 7 valence electrons
nitrogen has 5 valence electrons
oxygen has 6 valence electrons
so neon has the most valence elctrons