Home
Class 12
CHEMISTRY
Which of the following atoms has the hig...

Which of the following atoms has the highest first ionisation energy ?

A

Na

B

K

C

Sc

D

Rb

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE AND RADIOACTIVITY

    RC MUKHERJEE|Exercise PROBLEMS (Answers bracketed with questions)|40 Videos
  • ATOMIC WEIGHT

    RC MUKHERJEE|Exercise PROBLEMS |6 Videos

Similar Questions

Explore conceptually related problems

Which of the following has the highest first ionisation energy?

Which of the following has the highest first ionization energy?

Which of the following has the highest first ionisation enthalpy ?

Which one of the following elements has the highest ionisation energy?

Which among the following species has the highest ionisation energy ?

RC MUKHERJEE-ATOMIC STRUCTURE AND RADIOACTIVITY-Objective Problems
  1. The orbital angular momentum of an electron in2sorbital is

    Text Solution

    |

  2. For a d-electron, the orbital angular momentum is

    Text Solution

    |

  3. .(13)Al^(27) is a stable isotope. .(13)Al^(29) is expected to disinteg...

    Text Solution

    |

  4. Which of the following relates to photon both as wave motion and as a...

    Text Solution

    |

  5. The kinetic energy of an electron in the second Bohr orbit of a hydrog...

    Text Solution

    |

  6. Energy of an electron is given by E= -2.178 xx 10^(-18)J ((z^(2))/(n^(...

    Text Solution

    |

  7. The first ionisation potential of Na is 5.1eV. The value of electrons ...

    Text Solution

    |

  8. The correct set of four quantum numbers for valence electrons of rubid...

    Text Solution

    |

  9. Which of the following is the energy of a possible excited state of h...

    Text Solution

    |

  10. A stream of electrons from a heated filament was passed between two ch...

    Text Solution

    |

  11. Which of the following atoms has the highest first ionisation energy ?

    Text Solution

    |

  12. P is the probability of finding the 1s electron of hydrogen atom in a ...

    Text Solution

    |

  13. The radius of the second Bohr orbit for hydrogen atom is : (Plank'c c...

    Text Solution

    |

  14. The group having isoelectronic species is :-

    Text Solution

    |

  15. For the given orbital in column 1, the only correct combination for an...

    Text Solution

    |

  16. For hydrogen atom, the only correct combination is

    Text Solution

    |

  17. Bombardment of Al by alpha-particles leads to artificial disintegratio...

    Text Solution

    |

  18. In the nuclear transmutation : .(4)^(9) Be + X rarr (4) ^(8) Be +Y ...

    Text Solution

    |

  19. A plot of the number of neutrons (n) against the number of protons (p...

    Text Solution

    |

  20. Ejection of the photoelectron from metal in the photoelectric effect e...

    Text Solution

    |