Ionic is metal and nonmetal
Static force is being exerted
Density is mass over volume
Density = 106g/23cm³ = 4.6g/cm³
Answer:
option B,C and A are compound
Inefficiency of the material or engine causes the output work of a machine to be less
than the input work. It is governed by the second law of thermodynamics wherein
no product of work can produce 100 percent efficiency. Only the Carnot engine
can produce a 100 percent effieciency.