It has 92 protons, 92 electrons, and 238 — 92 : 146 neutrons.
Answer is D breaking apart I to not more than two
The only one I know for sure is Mass is always conserved In a Chemical reaction.
Answer:

Explanation:

From the question, one can work out which states of matter to assign to which species. The trick with organic equations of this nature is to try to balance everything but oxygen first. Make sure you balance oxygen last because it is the easiest to balance.