The density of nickel (face centered cubic cell) is 8.94g//cm^(3) at 20^(@)C . What is the radius of the atom? ("Atomic mass": Ni=59)
The density of krypton (face centered cubic cell) is 3.19g//cm^(3) . What is the radius of the atom? ("Atomic mass": Kr=84)
What is the mass of : 0.2 mole of oxyen atoms?
What is the mass of : 0.2 mole of oxyen atoms?
One mole of element X has 0.444 times the mass of one mole of element Y. One atom of element X has 2.96 times the mass of one atom of 12_C. What is the atomic mass of y ?