The answer is D. A positively charged sodium Ion and a negatively charged chlorine ion form an ionic bond.
Unequal heating of the atmosphere
Answer:
A chemical property is any of a material's properties that becomes evident during, or after, a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity. ... They can also be useful to identify an unknown substance or to separate or purify it from other substances.