On this page, we have discussed the revision notes on The p-Block Elements for the students of class 12. The group numbers 13 to 18 on the right-hand side of the periodic table are called p-block elements. The Members that belong to group 13 are B, Al, Ga, In, Tl. The Members that belong to group 14 are C, Si, Ge, Sn, Pb. Members that belong to group 15 are N, P, As, Sb, Bi. Members that belong to group 16 are oxygen family. Members that belong to group 17 are halogen family. Members that belong to group 18 are the noble gases. Properties of these elements depend on some factors such as:
- Electron affinity
- Metallic character is governed by two factors: atom size, ionization energy
- Oxidation state: they show a variety of oxidation state
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|Group 15 Elements||Group 18 Elements|
Frequently asked Questions on CBSE Class 12 CBSE Chemistry Notes Chapter 7: The p-block Elements
What are the ‘p-block elements’?
“P block” elements are all those in groups 13-18 and always end with 1 or more “p” electrons.
What is a ‘Noble gas’?
Any of a group of rare gases that include helium, neon, argon, krypton, xenon, and usually radon and that exhibit great stability and extremely low reaction rates are called ‘Noble gases’.
What is ‘Ionization energy’?
The ionization energy is a measure of the capability of an element to enter into chemical reactions requiring ion formation or donation of electrons.