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Rutherford's Model of an Atom

9. Mass of Be...

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9. Mass of Be atom = 7.016929 amu Mass of Li atom = 7.016004 amu Be undergoes electron capture at rest. The energy of neutrinos in Mev is??

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_{21}^{50} Sc

(mass 49.9516 amu) decays to form

_{22}^{50} Ti

(mass 49.94479 amu). If emission gives

β

- particles and neutrino and the kinetic energy of

β

-particles is 0.80 MeV, kinetic energy of neutrino in MeV is :
(

1

= 931.478

(Answer should be greatest integer function of kinetic energy)

Q. The binding energy per nucleon of Uranium in

M e V

is
(Atomic mass of uranium

m_{a} = 238.0508 a m u;

Mass of hydrogen atom is

M_{H} = 1.0078 a m u

;
Mass of neutron

m_{N} =

1.0087 a m u

; atomic number of Uranium

Z

=

92; Mass Number of Uranium

A

=

Q. The binding energy of

_{17} {C I}^{35}

298 M e V .

Find its atomic mass. The mass of hydrogen atom

({_{1} H}^{1})

1.008143 a m u

and that of a neutron is

1.008986 a m u .

1 a m u = 931 M e V .

Q. The binding energy of

_{17}^{35} C l

nucleus is 298 MeV. Find its atomic mass. Given, mass of a proton

(m_{p}) = 1.007825 a m u

, mass of neutron

(m_{n}) = 1.008665 a m u

Q. Atomic mass of

_{6}^{13} C

13.00335

amu and its mass number is

13.0

= 931

MeV, binding energy of the neutrons present in the nucleus is

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