Answer:
An ionic bond is an attraction between ions of opposite charge in an ionic compound.
1. Phosphate Group,Pentose sugar, and Nitrogen base
2. Not sure
3.These are found in RNA cytosine, guanine, adenine and uracil.
I believe the answer to your question is none of the above
D. Parasitism , the roundworm benefits from the relationship, but the puppy is harmed
Aluminum atomic number 13 becomes Neon with an atomic number of 10 when it loses three valence electrons.