If the products contain 3 nitrogen atoms, then so did the reactants since overall mass is conserved in a chemical reaction.
X-ray radiation can be deadly but its only deadly in large amounts when you get an x-ray it is only for a picture. Gamma radiation is the most harmful radiation as it penetrates everything and gives off deadly radiation and it isn't very common.
Answer:
Yes, chromosomes are in the nucleus of all cells that have a nucleus.
Explanation: