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What is the atomic number of element having maximum no. of unpaired electron in 4p subshell: 1)33 2)17 3)53 4)15?
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What is the atomic number of element having maximum no. of unpaired el...
Atomic Number of Element with Maximum Number of Unpaired Electrons in 4p Subshell

The electron configuration of an atom is the arrangement of electrons within its atomic shells. Electrons fill atomic orbitals in order of increasing energy levels. The maximum number of electrons that can be accommodated in a subshell is given by 2(2l + 1), where l is the azimuthal quantum number.


Explanation:

The 4p subshell has three orbitals, each of which can hold up to two electrons. Thus, the maximum number of electrons that can be accommodated in the 4p subshell is six.


Unpaired electrons are those electrons that occupy an orbital without a partner, i.e., they have opposite spins. An atom with unpaired electrons is said to be paramagnetic, which means it is attracted to a magnetic field. The maximum number of unpaired electrons in a subshell is given by (2l + 1).


Therefore, the element with the maximum number of unpaired electrons in the 4p subshell will have (2(4) + 1) = 9 unpaired electrons.


Conclusion:

Of the given options, the only element that has 9 electrons in the 4p subshell is option 3, which is the element with atomic number 53, Iodine.


Hence, the answer to the question is option 3, with the atomic number of 53.
Community Answer
What is the atomic number of element having maximum no. of unpaired el...
33 (maximum no. of unpaired electrons in 4p will be 3)
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What is the atomic number of element having maximum no. of unpaired electron in 4p subshell: 1)33 2)17 3)53 4)15?
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