Classification of Elements and Periodicity in Properties
Madhya Pradesh Board · Class 11 · Chemistry
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What did Dobereiner observe in the Law of Triads?
Answer
Elements could be arranged in groups of three with similar properties. The atomic weight of the middle element was about halfway between the other two, and its properties were intermediate. Example tr…
डोबेराइनर ने ट्रायडों के नियम में क्या देखा?
Answer
तत्वों को समान गुणों वाले तीन-तीन के समूहों में रखा जा सकता था। मध्य तत्व का परमाणु भार लगभग अन्य दो के बीच का आधा था, और उसके गुण मध्यवर्ती थे। उदाहरण ट्रायडों में Li-Na-K, Ca-Sr-Ba, और Cl-Br-I शामिल…
न्यूलैंड्स का ऑक्टेवों का नियम क्या है?
Answer
परमाणु भारों के बढ़ते क्रम में व्यवस्थित तत्वों से पता चला कि हर आठवाँ तत्व पहले तत्व के समान गुण रखता था। यह नियम केवल कैल्शियम तक ही काम करता था।…
What is Newlands' Law of Octaves?
Answer
Elements arranged in increasing order of atomic weights showed that every eighth element had properties similar to the first. The law worked only up to calcium.
Why was de Chancourtois important in periodic classification?
Answer
In 1862, he arranged known elements by increasing atomic weight in a cylindrical table to show periodic recurrence of properties.
आवर्त वर्गीकरण में दे शांकोर्तुआ क्यों महत्वपूर्ण थे?
Answer
1862 में, उन्होंने ज्ञात तत्वों को परमाणु भार बढ़ते क्रम में एक बेलनाकार सारणी में व्यवस्थित किया ताकि गुणों की आवर्ती पुनरावृत्ति दिखाई जा सके।…
मेंडेलीव का आवर्त नियम क्या है?
Answer
तत्वों के गुण उनके परमाणु भारों के आवर्ती फलन होते हैं।…
What is Mendeleev's Periodic Law?
Answer
The properties of the elements are a periodic function of their atomic weights.
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