Zn converts from its melted state  to its solid state. It has HCP structure. Then find out the number of nearest atoms. 

At which condition does Vander waals' real gas, act as an ideal gas? 

The number of atoms contained in a fcc unit cell of a mono atomic substance is:

In the fluorite structure, the coordination number of Ca²⁺ ion is :

Pressure remaining the same, the volume of a given mass of an ideal gas increases for every degree centigrade rise in temperature by definite fraction of its volume at:

Most crystals show good cleavage because their atoms, ions or molecules are:

When electrons are trapped into the crystalline anion vacancy, the defect is known as:

The beans are cooked earlier in pressure cooker because:

Absolute zero is defined as the temperature:

The appearance of colour in solid alkali metal halides is generally due to: