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BEYOND PUBLICATION-CLASSIFICATION OF ELEMENTS THE PERIODIC TABLE-EXERCISE
- The outermost main shell of an element is 'M' shell. This element belo...
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- Which of the following is an element in 3^rd period II group
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- Actinides belongs to period.
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- The electronegativity of the following elements increase in the order
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- The incompletely filled period is
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- The element for which the electronic configuration does not justify it...
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- Ionization energy increases with the Increase of
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- Newlands' periodic table restricted to elements.
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- Electronic configuration from ns^2 np^1 to np^2 np^6 are called
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- s and p-block elements are called
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- Valency of chlorine is
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- 1 pm = …………..
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- The most electronegative element is
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- The most electropositive element is
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- is IIA group element.
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- Noble gas elements has valency
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- block elements are called as lanthanides and actinides in modern perio...
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- was the basis of the classifications proposed By Dobereiner , New...
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- The element at the bottom of a group would be expected to show ...
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- Law of traids was proposed by…….
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