Answer:

aka Ethenone
Explanation:
Ethenone is an organic compound made out of the elements Carbon, Hydrogen, and Oxygen. It is an example of a covalent molecule. The Hydrogens are single bonded to the carbon and then the carbons and oxygen are double-bonded to each other. Additionally, because there are 2 Hydrogens and 1 Oxygen the ratio is 2:1, as stated in the question.
The result of non-reproduction is simple.
There will not be another generation of a species. Without a new generation, the parents would die off, and there would be nothing to carry on the name they had both shared.
Hope this helps! ( °ω° )
An atom of sodium has 11 protons, 11 electrons, and 11 neutrons.