Home
Class 11
CHEMISTRY
An atom of an element has 13 electr...

An atom of an element has 13 electrons and mass number 27. the nucleus of this atom contains ________ neutrons.

Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE-I

    NCERT TAMIL|Exercise QUESTIONS (D. EXPLAIN BRIEFLY ON THE FOLLOWING)|6 Videos

  • ATOMIC STRUCTURE-I

    NCERT TAMIL|Exercise QUESTIONS (B.FILL UP THE BLANKS)|5 Videos

  • AROMATIC HYDROCARBONS

    NCERT TAMIL|Exercise QUESTION|24 Videos

  • BASIC CONCEPTS OF CHEMISTRY AND CHEMICAL CALCULATIONS

    NCERT TAMIL|Exercise EVALUATION (Write brief answer to the following questions) |19 Videos

Similar Questions

Explore conceptually related problems

The nucleus of an atom contains :

The nucleus of an atom consist of protons and electrons ..

The atomic number of an element is 12 and its mass number is 24. The number of elecetrons , protons and neutrons respectivity will be

The atomic number of an element is 17 and its mass number is 37. The number of protons, electrons and neutrons present in the neutral atom are :

The atomic number of an element is 17 and its mass number is 37. The number of protons, electrons and neutrons present in the neutral atom are :

NCERT TAMIL-ATOMIC STRUCTURE-I-QUESTIONS (C. WRITE IN ONE OR TWO SENTENCE)
  1. What are the charge and mass of an electron?

    Text Solution

    |

  2. Suppose that the uncertainty in determining the position of an electro...

    Text Solution

    |

  3. What is meant by principal quantum number?

    Text Solution

    |

  4. How many protons and neutrons are present in""(8)^(18 )O?

    Text Solution

    |

  5. What are the particles generally present in the nuclei of atoms?

    Text Solution

    |

  6. The atomic mass of an element is 24 and its atomic number is 12. Show ...

    Text Solution

    |

  7. What is the principal defect of Bohr atom model?

    Text Solution

    |

  8. Write the complete symbol for : (a) The nucleus with atomic number 56 ...

    Text Solution

    |

  9. An atomic orbital has n = 3. What are the possible values of l ?

    Text Solution

    |

  10. An atomic orbital has l= 3. What are the possible values of m?

    Text Solution

    |

  11. Correct electronic configuration of Cr is

    Text Solution

    |

  12. Which energy level does not have p-orbital?

    Text Solution

    |

  13. An atom of an element has 13 electrons and mass number 27. th...

    Text Solution

    |

  14. How many electrons can have s+ ½ in a d-sub-shell?

    Text Solution

    |

  15. Write the values of l and m for p-orbitals

    Text Solution

    |

  16. Suppose that the uncertainty in determining the position of an electro...

    Text Solution

    |

  17. What is shape of the orbital with (i) n = 2 and l = 0 , (ii) n = 2 and...

    Text Solution

    |

  18. Give the values for all quantum numbers for 2p electrons in nitrogen ...

    Text Solution

    |

  19. Give the electronic configuration of Mn^(2+) and Cr^(3+) ions .

    Text Solution

    |

  20. Explain why the electronic configuration of Cr andCu are written as 3...

    Text Solution

    |