কেলাসের শ্রেণীবিভাগ: হীরক, গ্রাফাইটের গঠন/Network Crystal, Diamond,Graphite structure/Solid State

Topic covered:
00:00 Introduction
0:58 Classification of crystalline solid's
13:55 Molecular crystal
5:02 Ionic crystal
6:34 Network crystal
11:38 Metallic crystal
18:56 Structure of Diamond and Graphite
28:11 End
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Chemistry in Bengali, Class11/Class12 Chemistry (HS) chennel

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