Question

Write the general electronic configuration of $\mathrm{s},\mathrm{p},\mathrm{d}\mathrm{and}\mathrm{f}$ block elements

Answer 1

Electronic configuration: Electronic configuration is the distribution of the electrons in orbitals of atoms using some basic principles like the Pauli exclusion principle and the Aufbau principle.

$\mathrm{s}-$block elements:

• The general electronic configuration of $\mathrm{s}-$block element is ${\mathrm{ns}}^{(1-2)}$.
• The $\mathrm{s}-$block elements are at the left corner of the periodic table and those elements have their outer electrons in $\mathrm{s}-$orbitals.
• The group $1\&2$elements are called $\mathrm{s}-$block elements.

$\mathrm{p}-$block elements:

• The general electronic configuration of $\mathrm{p}-$block elements is ${\mathrm{ns}}^2{\mathrm{np}}^{1-6}$.
• The $\mathrm{p}-$block elements are in the right corner of the periodic table and those elements have their outer electrons in $\mathrm{p}-$orbitals.
• The group $13-18$ includes $\mathrm{p}-$block elements.

$\mathrm{d}-$block elements:

• The general electronic configuration of $\mathrm{d}-$ block element is $(\mathrm{n}-1){\mathrm{d}}^{(1-10)}{\mathrm{ns}}^{(1-2)}$.
• The $\mathrm{d}-$block elements are in the middle of the periodic table and those elements have their outer electrons in $\mathrm{d}-$orbitals.
• The group in the middle are $\mathrm{d}-$block elements.

$\mathrm{f}-$block elements:

• The general electronic configuration of $\mathrm{f}-$block element is $(\mathrm{n}-2){\mathrm{f}}^{0-14}(\mathrm{n}-1){\mathrm{d}}^{(0-10)}{\mathrm{ns}}^2$.
• The $\mathrm{f}-$block elements are at the bottom of the periodic table and those elements have their outer electrons in $\mathrm{f}-$orbitals.
• These elements are at the bottom of the periodic table.