An element (density =`6.8gcm^(-3)` ) occurs in bcc structure with cell edge of `290"pm"` .Calculate the number of atoms present in `200g` of the element:-

An element of atomic mass 40 occurs in fcc structure with a cell edge of 540 pm. Calculate the Avogadro's number if density is 1.7gm//cm^(3) .

An element (density 7.2 g cm^(-3)) crystallizes in a body centred cubic structure having its unit cell edge length 2.88 Å . Calculate the number of atoms present in 156 g of the element.

An element crystallizes as body - centred cubic lattic. Its density is 7.12g cm^(-3 and the length of the side of the unit cell is 2.88Å . Calculate the number of atoms present is 288g of the element.

An element of atomic number 52 occurs in bcc structure with cell edge length of 288 pm. Calculate the Avodadro's number if density is 7.2gm//cm^(3) .

An element occurs in bcc structure. It has a cell edge length of 250pm. Calculate the molar mass if its density is 8.0g cm^(-3) . Also calculate the radius of an atom of this element.

An element crystallises in the fcc crystal lattice and has a density of 10 g cm^(-3) with unit cell edge length of 100 pm . Calculate number of atoms present in 1 g of crystal.

An element crystallizes in b.c.c. lattice with cell edge of 500 pm. The density elements is 7.5 gcm^-3 . How many atoms are present in 300 g of the element ?