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How many elements can be there in the th...

How many elements can be there in the third period ?

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Eight elements.
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AAKASH INSTITUTE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-Try Yourself
  1. IUPAC symbol of atomic number 119.

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

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

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

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  5. Why s-block elements act as strong reducing agenis ?

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

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  7. What are transuranic elements ?

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

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

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

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

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

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

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

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

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

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

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  18. Is the electronegativity of an atom is constant ?

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  19. It out of two given elements A and B, A has a higher ionization energy...

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  20. What would be the formula of the compound formed by A and B, where A h...

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