Home
Class 11
CHEMISTRY
An element of atomic mass 40 has 2,8,8,2...

An element of atomic mass `40` has `2,8,8,2`, as the electronic configuration. One of the following statement regarding this elements is not correct?

A

it forms an basic oxide

B

It belongs to II A group

C

It belongs to IV period

D

It forms an acidic oxide

Text Solution

Verified by Experts

The correct Answer is:
4
The element is calcium and hence its oxide `(CaO)` is basic in nature.
Promotional Banner

Topper's Solved these Questions

  • ORGANIC REACTION MECHANISMS-IV

    RESONANCE|Exercise APSP PART-3|22 Videos

  • REDUCTION, OXIDATION & HYDROLYSIS REACTIONS

    RESONANCE|Exercise Comprehension Type|3 Videos

Similar Questions

Explore conceptually related problems

An element of atom mass 39 has the electron configuration 2,8,8,1 which of the following statements are correct ?

An atom of an element has electronic configuration 2,8,1. Which of the following statement is correct ?

Which element has the electronic configuration 2, 8, 2

Which element has the electronic configuration 2, 8, 2?

An atom has electronic configuration 2, 8, 7. What is the atomic number of this element?

An element has atomic number 37 the electronic configuration of the element is

RESONANCE-PERIODIC TABLE & PERIODICITY-Inorganic chemistry (Periodic Table & Periodicity
  1. Which of the following order is not correct ?

    Text Solution

    |

  2. The correct of the metallic character is :

    Text Solution

    |

  3. The correct order of the non- metallic character is :

    Text Solution

    |

  4. Which of the following statement is incorrect ?

    Text Solution

    |

  5. Higher values of ionisation energies of the 5d-transition elements are...

    Text Solution

    |

  6. The correct decreasing order of size of a isoelectronic species is -

    Text Solution

    |

  7. Whichone of the following is not the representative element ?

    Text Solution

    |

  8. An element of atomic mass 40 has 2,8,8,2, as the electronic configurat...

    Text Solution

    |

  9. Ionic radil is // are :

    Text Solution

    |

  10. Which of the following is not a correct match ?

    Text Solution

    |

  11. Find the atomic number of element belonging to 4th period and 17th gro...

    Text Solution

    |

  12. Correct order of the property indicated below-

    Text Solution

    |

  13. Consider the following points : (a) Cs is the strongest reducing age...

    Text Solution

    |

  14. Atomic number of an element of 43. The correct set of it's period numb...

    Text Solution

    |

  15. The electronic configuration of four elements are given below. Arrange...

    Text Solution

    |

  16. What is the correct order of 2^(nd) ionisation energy

    Text Solution

    |

  17. The electron affinity of a hypothetical element 'A' is 3eV per atom. H...

    Text Solution

    |

  18. Which is not correctly matched ? {:((a) " Basic strength of oxides",...

    Text Solution

    |

  19. Match list I with List II and select the correct answer using the code...

    Text Solution

    |

  20. Match List I ( atomic number of the element ) with List II ( position...

    Text Solution

    |