Home
Class 12
CHEMISTRY
Write the atomic number of the element i...

Write the atomic number of the element in which the filling of 3d subshell in the atom just starts.

Text Solution

Verified by Experts

Scandium (Z = 21).
Promotional Banner

Topper's Solved these Questions

  • THE D-AND F-BLOCK ELEMENTS

    U-LIKE SERIES|Exercise SHORT ANSWER QUESTIONS (2 marks each)|42 Videos

  • THE D-AND F-BLOCK ELEMENTS

    U-LIKE SERIES|Exercise LONG ANSWER QUESTIONS-I (3 marks each)|22 Videos

  • THE D-AND F-BLOCK ELEMENTS

    U-LIKE SERIES|Exercise FILL IN THE BLANKS|9 Videos

  • SURFACE CHEMISTRY

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST ( SECTION A)|7 Videos

  • THE P-BLOCK ELEMENTS

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST ( SECTION A)|7 Videos

Similar Questions

Explore conceptually related problems

The atomic number of an element which shows a valency of +3 is

What is the atomic number of the element which has 3d^(6) as its outermost configuration?

The atomic number of an element which can not show the oxidation state of +3 is-

The electronic configuration of an element is 1s^(2)2s^(2)2p^(6)3s^(2)3p^(3) . The atomic number of the element which is just below the above element in the periodic table is

U-LIKE SERIES-THE D-AND F-BLOCK ELEMENTS -VERY SHORT ANSWER QUESTIONS (1 mark each)
  1. What are the two important oxidation states of Group 6 elements of the...

    Text Solution

    |

  2. In the transition series, with an increase in atomic number, the atomi...

    Text Solution

    |

  3. Write the atomic number of the element in which the filling of 3d subs...

    Text Solution

    |

  4. What is lanthanoid contraction ?

    Text Solution

    |

  5. In permanganate ion, all the bonds between Mn and O are covalent. Give...

    Text Solution

    |

  6. Which is the most stable oxidation state among lanthanoids ?

    Text Solution

    |

  7. State the common characteristic of actinoids and lanthanoids which pla...

    Text Solution

    |

  8. The electronic configuration of an element is 3d^(5) 4s^(2). Write its...

    Text Solution

    |

  9. Why is HCl not used to acidify a permanganate solution in volumetric e...

    Text Solution

    |

  10. Name the metal with tripositive charge represented by the following el...

    Text Solution

    |

  11. The d-electron configuration of Mn^(2+) and Ti^(2+) is d^(5) and d^(2)...

    Text Solution

    |

  12. What is the general formula by which the electronic configuration of t...

    Text Solution

    |

  13. The electronic configuration of an element is 3d^(5)4s^(1). Write its ...

    Text Solution

    |

  14. Out of Cr^(2+) and Cr^(3+), which one is stable in aqueous solution ?

    Text Solution

    |

  15. Why are Zn, Cd and Hg normally not regarded as transition elements ?

    Text Solution

    |

  16. Which is the most stable oxidation state of Ti (Z = 22) in aqueous sol...

    Text Solution

    |

  17. Write the ionic equation representing the oxidising property of acidif...

    Text Solution

    |

  18. Why are compounds of transition metals, generally coloured ?

    Text Solution

    |

  19. The size of the trivalent cation in the lanthanoid series decreases st...

    Text Solution

    |

  20. Why do most transition metal ions exhibit paramagnetism ?

    Text Solution

    |