Select the right option to answer the question:
 
A student records these observations:

a. Substance X has maximum space between particles.
b. Substance Y has particles closer than X but farther apart than Z.
c. Substance Z has particles packed very tightly.
 
i. Identify X, Y, and Z
Substance X, Y and Z are
 
ii. Arrange X, Y, Z in decreasing order of forces of attraction.