Answer:
density= mass/volume
hence density of gold rock
= 386/20
=19.3 g/cc
170km/h this probs right i think
Answer:
In the solid phase, the forces of attraction have completely overcome molecular motion, and the movement of the particles has been reduced to vibrating in place. The particles cannot move past one another and are held in a tightly-packed pattern, so there is very little space between the particles.
Propes I think
Sorry if it’s wrong
