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An element has the configuration 1s^{2}, 2s^{2}, 2p^{6}, 3s^{2}, 3p^{2} : To which block in the long form of the periodic table, does this belong?

  • Option 1)

    s-block

  • Option 2)

    p-block

  • Option 3)

    d-block

  • Option 4)

    f-block

 

Answers (2)

best_answer

As we learned in concept

Aufbau Principle -

In the ground state of the atoms, the orbitals are filled in order of their increasing energies.

- wherein

 

 According to Aufbaw's principle, in ground state of atoms, the orbitals are filled in ordr of their increasing energies. Clearly, with unfilled 3p orbitals, the element belongs in 3rd period and the p block of elements.


Option 1)

s-block

This option is incorrect.

Option 2)

p-block

This option is correct.

Option 3)

d-block

This option is incorrect.

Option 4)

f-block

This option is incorrect.

Posted by

Aadil

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p block

Posted by

PUSHKAR NAIK

View full answer

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