An element crystallises in a f.c.c. lattice with edge length of 400 pm. Calculate the density if 200 g of this element contain `2.5xx10^(24)` atoms.

An element crystallizes in a f.c.c. lattice with cell edge of 250 pm. Calculate the density if 300 g of this element contain 2 xx 10^(24) atoms.

An element crystallizes in a f.c.c. lattice with cell edge of 250 pm. Calculate the density if 300 g of this element contain 2 xx 10^(24) atoms.

An element crystallises in a fcc lattice with cell edge of 250 pm. Calculate the density if 300 g of this element contain 2xx10^(24) atoms.

An element crystallises in fcc lattice with cell edge of 400 pm. Calculate its density if 250 g of this element contain 2.5 xx 10^(24) atoms.

An element crystallises in fcc lattice with cell edge of 400 pm. Calculate its density if 250 g of this element contain 2.5 xx 10^(24) atoms.

An element crystallises is a fcc lattice with cell edge of 250 pm. Calculate the density of 300 g of this element containing 2xx10^(24) atoms.

An element crystallizes in a fcc unit cell with an edge length 200pm. Calculate the density if 200g of this element contains 24xx10^(23) atoms?

An element crystallises in a structure having fcc unit cell of edge length 200 pm. Calculate the density if 200 gm of this element contain 24xx10^(23) atoms.