Class 11 Chemisty Unit 3
Unit 3
Classification of Elements and Periodicity in Properties
Why do we Need to Classify Elements ? Genesis of Periodic Classification, Modern
Periodic Law and the present form of the Periodic Table, Nomenclature of Elements with Atomic Numbers
> 100, Electronic Configurations of
Elements and the Periodic Table, Electronic
Configurations and Types of Elements:
s-, p-, d-, f- Blocks, Periodic Trends in Properties of Elements,
एकक3 तत्त्वों
का वर्गीकरण एवं गुणधर्मों में आवर्तिता,
तत्त्वों
का वर्गीकरण क्यों आवश्यक है? आवर्त सारणी की उत्पत्ति, आधुनिक आवर्त-नियम तथा आवर्त सारणी का वर्तमान स्वरूप, 100 से अधिक परमाणु-क्रमांक वाले तत्त्वों का
नामकरण, तत्त्वों के इलेक्ट्रॉनिक विन्यास तथा आवर्त सारणी, इलेक्ट्रॉनिक विन्यास और तत्त्वों के प्रकार (s,p,d.f ब्लॉक),तत्त्वों के गुण-धर्मों में आवर्तिता
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