Home
Class 11
CHEMISTRY
" Positronium " is the name given to an ...

" Positronium " is the name given to an aotm like combination formed between :

A

A positiron and a proton

B

A positron and a neutron

C

A positron and alpha-particle

D

A positron an electron

Text Solution

Verified by Experts

The correct Answer is:
D
Positron + Electron `to` Positronium.
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    P BAHADUR|Exercise Exercise 3B|19 Videos

  • ATOMIC STRUCTURE

    P BAHADUR|Exercise Exercise 4|39 Videos

  • ATOMIC STRUCTURE

    P BAHADUR|Exercise Exercise|19 Videos

  • CHEMICAL BONDING

    P BAHADUR|Exercise Exercise 7|11 Videos

Similar Questions

Explore conceptually related problems

A single lens, which will form the image of a given object at the same point as it formed by the combination of twoor more thin lenses, is calles as _____

Two electronegative atoms combine to form

Positronium is just like a H-atom with the proton replaced by the positively charged anti-particle of the electron (called the positron which is as massive as the electron). What would be the ground state energy of positronium ?

P BAHADUR-ATOMIC STRUCTURE-Exercise 3A
  1. Which orbital has two angular nodal planes ?

    Text Solution

    |

  2. psi^2 ,( psi) the wave function resperesents the probability of findi...

    Text Solution

    |

  3. " Positronium " is the name given to an aotm like combination formed b...

    Text Solution

    |

  4. The configureation is 1s^(2) 2s^(2) 2p^(5) , 3s^(1) shows :

    Text Solution

    |

  5. The orbital cylindrically symmetrical abut x-axis is :

    Text Solution

    |

  6. Which orbital is represented by the complete wave funcion psi (420) ?

    Text Solution

    |

  7. The number fo bodal planes is greatest for the orbital :

    Text Solution

    |

  8. The electronic velocity in the fourth Bohr's orbit fo hydrogen is u . ...

    Text Solution

    |

  9. Atomic weight of Ne is 20.2 Ne is a mixuture of Ne^(20) and Ne^(22...

    Text Solution

    |

  10. The ammount of enrgy requred to remove the electron from a Li^(2+) ion...

    Text Solution

    |

  11. The ration of spectific charge ( e//m) of a proton to that of an alpha...

    Text Solution

    |

  12. The work function for a metal si 4 eV. To emit a photoelectron of zer...

    Text Solution

    |

  13. In two individual hydrogen atoms electrons move around the nucleus in ...

    Text Solution

    |

  14. If the series limit of wavelngth of the Lymman series for the hydrogen...

    Text Solution

    |

  15. What is the difference in the angular momentum associated with the e...

    Text Solution

    |

  16. Ionisation potential fo hydrogen atomn is 13 . 6 eV. Hydrogen atom in...

    Text Solution

    |

  17. Energy levels A. B, C. of a certain atom correspoinds to increasing v...

    Text Solution

    |

  18. One requiored enrgy R(n) to remove mucleon and an energy Ee to remov...

    Text Solution

    |

  19. Atomic radius is of the order of 10^(-8) cm and nuclear radius is o...

    Text Solution

    |

  20. Suppose 10^(-17) J of light enrgy is needed by the interor of human e...

    Text Solution

    |