Home
Class 12
CHEMISTRY
Electronic configuration calcium atom ca...

Electronic configuration calcium atom can be written as

A

`[Ne]4p^2`

B

`[Ar]4s^2`

C

`[Ne]4s^2`

D

`[Ar]4p^2`

Text Solution

Verified by Experts

The correct Answer is:
B
Electronic configuration of `Ca(Z=20)" : "[Ar]^(18)4s^2`
Promotional Banner

Topper's Solved these Questions

  • ALKALI EARTH METALS

    DINESH PUBLICATION|Exercise Selected straight objective Type MCQs|23 Videos

  • ALKALI EARTH METALS

    DINESH PUBLICATION|Exercise Reason Assertion type MCQs|15 Videos

  • ALKALI EARTH METALS

    DINESH PUBLICATION|Exercise Unit test-12|5 Videos

  • ALDEHYDES AND KETONES

    DINESH PUBLICATION|Exercise Interger|5 Videos

  • BASIC PRINCIPLES OF ORGANIC CHEMISTRY

    DINESH PUBLICATION|Exercise Matrix Type Questions|2 Videos

Similar Questions

Explore conceptually related problems

Electronic Configuration Of Atoms

Electronic configuration of deuterium atom is

Th electroniv configuration of Mn can be written as

The electronic configuration of an atom/ion can be defined by the following

Ground state electronic configuration of nitrogen atom can be represented by:

DINESH PUBLICATION-ALKALI EARTH METALS-Revision Questions From Competitive Exams.
  1. A sudden large jump between the values of second and third ionisation ...

    Text Solution

    |

  2. Which is the correct order of increasing basic strength?

    Text Solution

    |

  3. Electronic configuration calcium atom can be written as

    Text Solution

    |

  4. Plaster of paris is hydrate of

    Text Solution

    |

  5. Which of the following on heating at 125^(@)C gives Plaster of Paris?

    Text Solution

    |

  6. Which is used in the laboratory for last drying of neutral gases?

    Text Solution

    |

  7. The atomic numbers of four elements are given below. Which one is an a...

    Text Solution

    |

  8. The mixture of MgCl(2) and MgO is called .

    Text Solution

    |

  9. An atom with atomic number 20 is most likely to combine chemically wit...

    Text Solution

    |

  10. Except lime, a major constituent of Portland cement is

    Text Solution

    |

  11. Gypsum on heating to 390 K gives

    Text Solution

    |

  12. Weakest base among KOH, NaOH, Ca(OH)(2)" and "Zn(OH)(2) is :

    Text Solution

    |

  13. Electrolysis of fused anhydrous KCl.MgCl2.6H2o gives

    Text Solution

    |

  14. Beryllium is placed above magnesium in the II group. Beryllium dust, t...

    Text Solution

    |

  15. Amongest the metal Be, Mg, Ca and Sr of group 2 of the periodic table,...

    Text Solution

    |

  16. Among the following oxides, the one which is most basic is

    Text Solution

    |

  17. Presence of which of the following salt increases the rate of setting ...

    Text Solution

    |

  18. Which of the following will liberate hydrogen by its reaction with hy...

    Text Solution

    |

  19. White heavy precipitates are formed when BaCl(2) is added to a clear s...

    Text Solution

    |

  20. Which of the following is a true peroxide?

    Text Solution

    |