Give reasons for the following statements.
The molecules of chalk vibrate around their fixed position.
Which one of the following statements is not true ?
(a) the molecules in a solid vibrate about a fixed position
(b) the molecules in a liquid are arranged in a regular pattern
(c) the molecules in a gas exert negligibly small forces on each other, except during collisions
(d) the molecules of a gas occupy all the space avilable
With regard to the gaseous state of matter which of the following statements are correct?
(a) The complete order of molecules (b) Complete disorder of molecules
(c) Random motion of molecules (d) Fixed position of molecules
Statement given below is incorrect. Write the correct statement:
The particles of liquid simply vibrate at their fixed positions. They cannot leave their place.
Give reasons for the following statement.
Helium is a monoatomic molecule
Give reasons for the following statement
The particles in solids do not change their position