Home
Class 9
CHEMISTRY
The electron distribution in an aluminiu...

The electron distribution in an aluminium atom is

A

`2, 8, 3`

B

`2, 8, 2`

C

`8, 2, 3`

D

`2, 3, 8`

Text Solution

Verified by Experts

The correct Answer is:
A
Aluminium atom has 13 protons and 13 electrons.
Therefore, Electronic configuration of `""_(13)Al = overset(K)2, overset(L)8, overset(M)3`
Promotional Banner

Topper's Solved these Questions

  • MATTER IN OUR SURROUNDINGS

    NCERT EXEMPLAR|Exercise Matter In Our Surroundings|27 Videos

Similar Questions

Explore conceptually related problems

Give the electronic distribution in magnesium atom and magnesium ion how do these electronic configruation differ?

Show diagramatically the electron distributions in a sodium atom and a sodium ion and also give their atomic number.

Show the electron distribution in magnesium atom and magnesium ion diagrammatically and also give their atomic numbers.

Give the electonic distribution in an elements with atomic number 15.

The electronic distribution of Mn(25) is

Which of the following correctly represent the electronic distribution in the Mg atom?

State Hund's rule of maxium multiplicity. How is it used in electronic distribution in nitrogen atom (Z=7) ?

Write down the electron distribution of chlorine atom. How many electrons are there in the L-shell ? Atomic number of chlorine is = 17.

Which species has the same electron distribution around the central atom as SiF_(4) ?

The electronic configuration of aluminium is

NCERT EXEMPLAR-STRUCTURE OF THE ATOM-Structure Of The Atom
  1. The first model of an atom was given by

    Text Solution

    |

  2. An atom with 3 protons and neutrons will have a valency of

    Text Solution

    |

  3. The electron distribution in an aluminium atom is

    Text Solution

    |

  4. Which of the following in figure do not represent Bohr's model of an a...

    Text Solution

    |

  5. Which of the following statement is always correct?

    Text Solution

    |

  6. Atomic models have been improved over the years. Arrange the following...

    Text Solution

    |

  7. Is it possible for the atom of an element to have one electron, one pr...

    Text Solution

    |

  8. Write any two observation which support the fact that atoms are divisi...

    Text Solution

    |

  9. Will ""^(35)Cl and ""^(37)Cl have different valencies? Justify your an...

    Text Solution

    |

  10. Why did Rutherford select a gold foil in his alpha-ray scattering expe...

    Text Solution

    |

  11. Find out the valency of the atoms represented by the Figure (a) and (b...

    Text Solution

    |

  12. One electron is present in the outermost shell of the atom of an eleme...

    Text Solution

    |

  13. Write down the electron distribution of chlorine atom. How many electr...

    Text Solution

    |

  14. In the atom of an element X, 6 electrons are present in the outermost ...

    Text Solution

    |

  15. What information do you get from the figure about the atomic number, m...

    Text Solution

    |

  16. In response to a question, a student stated that in an atom, the numbe...

    Text Solution

    |

  17. Calculate the number of neutrons present in the nucleus of an element ...

    Text Solution

    |

  18. Match the names of the Scientists given in Column A with their contrib...

    Text Solution

    |

  19. The atomic number of calcium and argon are 20 and 18 respectively, but...

    Text Solution

    |

  20. Complete the table on the basis of information available in the symbol...

    Text Solution

    |