Home
Class 12
PHYSICS
The three stable isotopes of neon .10Ne^...

The three stable isotopes of neon `._10Ne^(20), ._10Ne^(21)` and `._10Ne^(22)` have respective abundances of `90.51%,0.27%` and `9.22%`. The atomic masses of the three isotopes are `19.99u, 20.99u` and `21.99u` respectively. Obtain the average atomic mass of neon.

Promotional Banner

Topper's Solved these Questions

  • ATOMS, NUCLEI AND MOLECULES

    SL ARORA|Exercise Problem|32 Videos
  • ATOMS, NUCLEI AND MOLECULES

    SL ARORA|Exercise Problems For Self Practice|87 Videos
  • AC CIRCUITS AND ELECTRIC CIRCUITS

    SL ARORA|Exercise problem|57 Videos
  • CAPACITORS

    SL ARORA|Exercise problem for self practive|65 Videos

Similar Questions

Explore conceptually related problems

The three stable isotopes of neon Ne^20, Ne^21 and Ne^22 have respective abundances of 90.51% , 0.27 % and 9.22% . The atomic masses of the three isotopes are 19.99 u, 20.99 u and 21.99 u respectively. Obtain the average atomic mass of neon

the three stable isotopes of 9.051% , 0.27% and 9.22% the atomic masses of the three isotopes are 19.99 u , 20 .99 u and 21.99u respectively the average atomic mass of neon will be

Chlorine has two isotopes of atomic mass units 34.97 u and 36.97 u . The relative abundances of these two isotopes are 0.735 and 0.245 respectively. Find out the average atomic mass of chlorine.

Amongst the three isotopes of Neon - ._(10)^(20)Ne,._(10)^(21 )Ne and _(10)^(22)Ne the nucleus with the lowest n/p ratio is

Two stable isotopes of lithium ._3^6Li and ._3^7Li have respective abundances of 7.5% and 92.5% . These isotopes have masses 6.0152 u and 7.016004 u respectively. Find the atomic weight of lithium

Natural uranium is a mixture of three isotopes _92^234U , _92^234U , _92^235U and _92^238U with mass percentage 0.01%, 0.71% and 99.28% respectively. The half-life of three isotopes are 2.5xx10^5yr , 7.1xx10^8yr and 4.5xx10^9yr respectively. Determine the share of radioactivity of each isotope into the total activity of the natural uranium.

SL ARORA-ATOMS, NUCLEI AND MOLECULES-Problems For Self Practice
  1. The three stable isotopes of neon .10Ne^(20), .10Ne^(21) and .10Ne^(22...

    Text Solution

    |

  2. In a head-on collision between and alpha-particle and a gold nucleus, ...

    Text Solution

    |

  3. An alpha particle of K.E. 10^(-12)J exhibits back scattering from a go...

    Text Solution

    |

  4. A protom of energy 1 MeV is incident head-on on a gold nucleus (Z = 79...

    Text Solution

    |

  5. In a head-on collision between an alpha-particle and a gold nucleus, t...

    Text Solution

    |

  6. An alpha-particle of kinetic energy 7.68 MeV is projected towards the ...

    Text Solution

    |

  7. An alpha particle of energy 4MeV is scattered through an angle of 180^...

    Text Solution

    |

  8. What is the distance of closest approach to the nucleus for an alpha-p...

    Text Solution

    |

  9. What is the impact parameter at which the scattering angle is 10^(@) f...

    Text Solution

    |

  10. A 10kg satellite circles earth once every 2hr in an orbit having a rad...

    Text Solution

    |

  11. At what speed must an electron revolve around the nucleus of hydrogen ...

    Text Solution

    |

  12. The innermost orbit of the hydrogen atom has a diameter of 1.06Å what ...

    Text Solution

    |

  13. Calculate the energy of the hydrogen atom in the states n = 4 and n = ...

    Text Solution

    |

  14. Calculate (i) the radius of the second orbit of hydrogen atom, and (ii...

    Text Solution

    |

  15. Calculate the frequency of the photon, which can excite the electron ...

    Text Solution

    |

  16. The ground state energy of hydrogen atom is -13.6eV. If an electron ma...

    Text Solution

    |

  17. Show that the ionisation potential of hydrogen atom is 13.6 volt.

    Text Solution

    |

  18. Calculate the ionisation potential of a single ionised He-atom.

    Text Solution

    |

  19. Calculate the minimum energy that must be given to a hydrogen atom so ...

    Text Solution

    |

  20. What energy in eV will be required to excite the ground state electron...

    Text Solution

    |

  21. By giving energy to a hydrogen atom in energy state n=1. If the potent...

    Text Solution

    |