Solid State 03 | Close Packed Structures | Class 12 NCERT

Описание: NCERT Wallah - SANKALP 2021

📝 For Lecture notes, visit SANKALP Batch in Batch Section of PW App/Website.
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Closest packed structures refers to the most tightly packed or space-efficient composition of crystal structures.

Topics covered in this lecture are:
•The seven crystal systems
•Closed packing in one dimension
•Closed packing in three dimension
•Voids
•Types of voids
•Tetrahedral voids
•Octahedral voids
•Triangular voids
•Cubical voids
•Locations of voids

There are many other chapters taught in upcoming videos for class 12. Stay tuned with NCERT Wallah.

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▶ Complete SOLID STATE Chapter -    • SOLID STATES - Class 12th Chemistry Chapter 1  


🔴 Details about the batch -

• LIVE Lectures for Class 12th Students

• All Derivations & Concepts are discussed in detail

• PDF Notes of each Lecture

• Summary Videos Of Each Chapter

• Discussions of NCERT Back Exercises

• For student interactions we Organize Menti, Motivation Session


🎦 12 Lectures in a Week (2 Lectures / day)

TIMESTAMPS -
0:00 introduction
1:30 Quick Recap ( previous class lecture)
8:46 Close packing in one dimensions
11:27 close packing in two dimensions
15:03 square close packing (2-D)
15:50 hexagonal close packing (2-D)
18:48 close packing in three dimensions
24:09 placing second layer over first layer
25:41 tetrahedral void
26:27 Octahedral void
28:15 placing third layer over the second layer i) covering tetrahedral void
38:34 ii) covering Octahedral void
46:04 type of void
50:43 some key points
57:55 Location of void
1:02:30 1.14 Intext Question
1:03:35 1.15 Intext Question
1:06:12 1.16 Intext Question
1:08:30 1 Extra Question
1:11:00 2 Extra Question
1:12:05 3 Extra Question
1:14:10 4 Extra Question
1:16:20 NCERT Exemplar (MCQs)
1:17:27 Match the following type Question
1:21:00 Thank You


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