Answer:
i)a. P & R
b. Q& S
ii) R
iii) Atomic no & Atomic radius
2)a. C4H10
b. CH3Cl
One deals with electrons while the other protons.
Organic compounds are compounds that contain carbon atoms.
Organic matter is any waste product that occurs naturally (i.e. snake skin, feces, and other traces of life).
Inorganic matter would lack carbon compounds. Radioactive waste at nuclear power plants is inorganic.