2018 an element x has mass number 40 having fcc structure has unit cell edge length of 400pm. Calculate the density of x and the number of unit cells in 4g of x

2018 an element x has mass number 40 having fcc structure has unit cel

1.	2018 an element x has mass number 40 having fcc structure has unit cell edge length of 400pm. Calculate the density of x and the number of unit cells in 4g of x
Answer» so HARD questionsExplanation:i don't no