Question

please solve this questions attached. This is for 20 marks, i will also mark as the brainliest

Answer 1

1)metter are continuously moving, matters have spaced between them, metter are attract each other

Answer 2

Answer:

2.There is no general rule. Compare the solid lithium with the density of 0.53 g/cm3 with liquid mercury, 13.5 g/cm3. For same substance under same pressure, most often the solid state is more dense than liquid state - atoms or molecules are packed more closely in solids than liquids.