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Quantum Numbers

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how to calculate mass of electron in amu

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Q. Calculate the mass defect and binding energy per nucleon of

_{8}^{16} O

which has a mass

15.99491 a m u

.
Mass of neutron

= 1.008655 a m u

= 1.007277 a m u

Mass of electron

= 0.0005486 a m u

1 a m u = 931.5 M e V

Q. Helium has a mass number

4

and the atomic number

2

. Calculate the nuclear binding energy per nucleon. (mass of neutron

= 1.00893 a m u

= 1.00814 a m u

H e = 4.0039 a m u

and mass of electron is negligible).

Q. Mass of an electron in amu is _____.

Q. Calculate the binding energy per nucleon for

_{10}^{20} N e,_{26}^{56} F e

_{92}^{238} U

. Given that mass of neutron is 1.008665 amu, mass of proton is 1.007825 amu, mass of

_{10}^{20} N e

is 19.9924 amu, mass of

_{26}^{56} F e

is 55.93492 amu,

_{92}^{238} U

is 238.050783 amu

Calculate the formula unit mass of $K_{2} {C O}_{3}$

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