State the general electronic configurati...

State the general electronic configuration of p-block elements. Which factors largely governs the properties of p-block elements ?

Text Solution

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The general electronic configuration of p-block element is `ns_2 np^(1-6)`. Except helium (He) which has `1s^(2)` configuration.
The properties of p-block elements are influenced by :
(i) Atomic size
(ii) Ionisation enthalpy
(iii) Electron gain enthalpy
(iv) Electronegativity
(v) Absence of d-orbitals in second period elements and presence of d or d and f-orbitals in heavier elements.
The presence of all the three types of elements, metals, metalloids and non-metals bring diversification in chemistry of these elements.

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The general electronic configuration of all the elements of p-block .

`ns^2 np^1`

`ns^2 np^6`

`ns^2 np^(1-6)`

`ns^2 np^(1-5)`

Which one is not a p-block element ?

Give the general electron configuration of d-block and f -block elements respectively.

`(n - 1) d^(1" to " 10)ns^(2) " and " (n -2) f^(n) . (n - 1) d^(1) ns^(2)`

`(n -1) d^(1" to " 10) ns^(1-2) " and " (n - 2) f^(n). (n - 1) d^(1) ns^(2)`

`(n -1) d^(1" to "10) ns^(1-2) " and " (n -2) f^(n+1). ns^(2)`

`(n -1) d^(1" to "10) ns^(1-2) " and " (n -2) f^(1-14) . (n -1) d^(0-1) . ns^(2)`