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What were the 12 horizontal rows known i...

What were the 12 horizontal rows known in the periodic table prepared by Mendeleev ?

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Horizontal rows of periodic table are called

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The horizontal rows in Mendleev's table were called :

AAKASH INSTITUTE ENGLISH-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-Try Yourself
  1. What were the 12 horizontal rows known in the periodic table prepared ...

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  2. Name the German chemist who classified the elements using the physical...

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  3. What would be the IUPAC name and symbol of Bohrium with atomic number ...

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  4. IUPAC symbol of atomic number 119.

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  5. What is the position of lanthanide and actinide series in the periodic...

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  6. How many elements can be there in the third period ?

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  7. Do the non-metallic character exhibited by the halogens have any relat...

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  8. Why s-block elements act as strong reducing agents ?

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  9. Find the position of element with atomic number 35 in the periodic tab...

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  10. What are transuranic elements ?

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  11. Out of the following elements which is the most non-metallic ? Na, M...

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  12. Pick the metalloid among the following given elements. P, S, Si, Al.

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  13. Describe the trend of atomic size along a period and a group in the ...

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  14. What will be the atomic radius of fluorine atom of a covalently bonded...

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  15. The internuclear distance between adjacent chlorine atoms of the two n...

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  16. Arrange the following elements in the order of increasing atomic radiu...

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  17. For which element the second ionization enthalpy is expected to be gre...

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  18. What is the expected order of ionization enthalpy for the given elemen...

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  19. Which among the following elements will have a positive electron gain ...

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  20. S has more negative electron gain enthalpy than O why ?

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