Answer:
the mass number of the atom or ion is 6
Volume of osmium = 1.01(0.223)(0.648) = 0.14595 cm3
Density = mass / volume
So density x volume = mass of osmium
22.6 x 0.14595 = 3.29845 g
The fifth shell can hold up to 50 electrons and the forth shell can hold 8 electrons
