A crystal is defined as a solid figure which has a definite geometrical shape with _________ faces and _________ edges.

A pyramid is a solids figure, the base of which is

Solids have a definite volume and a definite shape.

Any matter which has a definite…… but no definite shape is called a…..

The state of matter which has no definite shape or volume is called

The species which has pyramidal shape is

The molecule which has pyramidal shape is

The molecule which has pyramidal shape is

Why solids have definite shape and volume ?

Which of the following has definite length?

A crystalline solid of pure substance has a face - centred cubic structure with a cell edge of 400 pm. If the density of the substance in the crystal is "8 g cm"^(-3) , then the number of atoms present in 128 g of the crystal is