Question

Calculate mass defect and binding energy per nucleon of `"_10^20 Ne`, given 

Mass of `"_10^20 Ne= 19.992397` u

Mass of `"_0^1H = 1.007825`  u

Mass of `"_0^1n = 1.008665` u

Answer 1

Mass defect (Δm) = Mass of nucleons − Mass of nucleus

= (10 × 1.007825 + 10 × 1.008665)u - 19.992397u

= 0.172503u

Binding energy ΔE = 0.1725034 × 931 MeV

= 160.600 MeV

Binding energy per nucleon `(ΔE)/A = 160.600/20`

= 8.03 MeV