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Mendeleev's eka-aluminium is...

Mendeleev's eka-aluminium is __

A

`1`. Scandium

B

`2`. Gallium

C

`3`. Germanium

D

`4`. Indium

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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS-THE PERIODIC TABLES-EXERCISE
  1. What is a group?

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  2. What is a period in modern periodic table ?

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  3. Mendeleev's eka-aluminium is

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  4. Which one of the following elements has more electropositivity ?

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  5. Number of vertical columns in the modern periodic table are (As per IU...

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  6. A Dobereiners Triad in the following, is ........................

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  7. Which one of the following belongs to the group of atomic weights of D...

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  8. 11, 12, 13 and 14 are the atomic numbers of the elements Na, Mg, Al an...

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  9. The most electronegative element is

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  10. Raju : All the known elements at the time of Dobereiner. could not be ...

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  11. (i) Newlands proposed the law of octaves. ii) The law of octaves was ...

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

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

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

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

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

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

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

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

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

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