Question

Define
nuclear binding energy
40 Ar
18
Calculato the packing fraction, mass
defect and
energy released in the formation of argon atom
[Isotopic mass of Ar = 39.96238 a mu
of
1.007825
mass of neutron
1. 008665
mass of
9.1 x 103)
kg
mass
proton
=
Q. M.lu
og election​

Answer 1

mantle is a layer inside a planetary body bounded below by a core and above by a crust. Mantles are made of rock or ices, and are generally the largest and most massive layer of the planetary body. Mantles are characteristic of planetary bodies that have undergone differentiation by density.