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"Select the common point/s' in Dobereine...

"Select the common point/s' in Dobereiner and Newlands Laws. i) Atomic weights.ii) All the elements available at that time could not be arranged in his law. iii) They followed valency. "

A

(i) and (ii)

B

(i)  only

C

(iii)  only

D

(ii)  only

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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS-THE PERIODIC TABLES-EXERCISE
  1. (i) Newlands proposed the law of octaves. ii) The law of octaves was ...

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  2. State and give one example for Dobereiner's law of triads and Newland'...

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  3. "Select the common point/s' in Dobereiner and Newlands Laws. i) Atomic...

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  4. Assertion (A) : Mendeleeff placed "Be, Mg and Ca" in one group. Reaso...

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  5. Which one is not a salient features of the Mendeleeff's periodic table...

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  6. A: The properties of elements are the periodic functions of their atom...

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  7. Assertion (A) : It is a better way of arranging the elements in the pe...

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  8. Z indicates in the notation ^A.Xz. i) Number of protons in the atom ii...

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  9. Assertion (A): Na' is a s-block element Reason (R) : 'Na' gets its las...

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  10. Assertion (A) : 'Cl' is a non-metal. Reason (R): Non-metal has five or...

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  11. (a) Lanthanoids and actinoids are belongs to 3rd group. b) Lanthanoids...

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  12. Assertion (A) : Lanthanides and Actinides are called as Inner  Transit...

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  13. Why do elements in the same group have similar physical and chemical p...

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  14. The pair of elements that have similar chemical properties are

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  15. Pavan (P) : The general electronic configuration of alkali metal famil...

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  16. Assertion (A): ‘H' & 'He' belongs to period - 1. Reason (R) : 'H & 'He...

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  17. Assertion (A): The first period in periodic table contain only two ele...

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  18. Suneetha (A) : Third period contain 18 elements, because it has 3 subs...

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  19. James (A) : The positive ions of an element has less in size than its ...

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  20. Balu (B) : Valence of an element with  respect to hydrogen is the numb...

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