D. Common characteristics
The correct answer is the second option. Particulate matter is the air pollutant known to affect people with asthma. It also can cause other illnesses like cough, chest discomfort and a burning sensation in the lungs.
I think the answer is D, PCl5. Ionic compounds are compounds made up of ions. These ions are atoms that gain or lose electrons to form a stable configuration, thus attaining a net positive charge or negative charge. Metals tend to lose electrons thus they become cations and have a net positive charge. On the other hand non-metals tend to gain electrons, forming anions that have a net negative charge. Phosphorus chloride is not an ionic compound since it is made up of phosphorus and chlorine which are both non metals.
Answer:
yes
Explanation:
sodium is salt and you can get it in the store or anywere.