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FULL MARKS-PERIODIC CLASSIFICATION OF ELEMENTS -Additional Questions(2 MARK QUESTIONS)
- State Johann Dobereiner's law of triads.
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- Write a note about chancourtois classification .
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- State the Newland's law of octaves.
03:15
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- State Mendeleev's period law.
03:12
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- Explain about the relationship between the atomic number of an element...
02:39
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- State modern periodic law.
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- What are the anomalies of the long form of periodic table?
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- Mention the names of the elements with atomic number 101 ,102,109 and ...
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- Write a note about the electronic configuration of elements in groups.
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- Give the name and electronic configuration of elements of 1^(st) group...
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- Write any two characteristic properties of alkali metals.
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- Write any two characteristic properties of alkaline earth metals.
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- Groups from 13 to 18 in the periodic table are called p-block elements...
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- Why noble gases do not show much of chemical reactivity?
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- Halogens and chalcogens have highly negative electron gain enthalpies....
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- What are d-block elements? Why are they called so?
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- Elements Zn, Cd and Hg with electronic configuration (n-1)d^(10) ns^(2...
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- Why Zn, Cd and Hg are considered as soft metals?
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- Why d- block elements are known as transition element ?
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- What are f-block elements? How many series are there? Why they are cal...
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