Answer:
Physical solids- (3 properties); Density, melting point, magnetism.
Mechanical solids- ( 4 properties); elasticity, hardness, tensile strength, toughness.
Thermal solids- (2 properties); conductivity, expansion.
Electric solids- (2 properties); conductivity or insulative capacity.
Acoustics solids- (2 properties); compression, shear, and pressure wave velocities.
Explanation:
