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Which of the following statement(s) rega...

Which of the following statement(s) regarding periodic properties is/are incorrect?

A

Alkali metals have highest I.E. in respective period.

B

Noble gas have highest I.E. in respective period

C

First electron affinity of nitrogen is less than oxygen

D

F atom has smallest radius in periodic table

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The correct Answer is:
A, D
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VK JAISWAL ENGLISH-PERIODIC PROPERTIES-ONE OR MORE ANSWERS IN/ARE CORRECT
  1. Which of the following show amphoteric behaviour?

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  2. Assign the position of the element having outer electronic configurati...

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  3. Which of the following statement(s) regarding periodic properties is/a...

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  4. Which of the following properties among halongens decrease(s) from flu...

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  5. In halogens, which of the following decreases from fluorine to iodine?

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  6. Mark the correct statements out of the following:

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  7. The diagram below shows part of the skeleton of the periodic table ini...

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  8. Answer the following on the basis of modern periodic table. (I) G...

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  9. Which of the following statements concerning elements with atomic numb...

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  10. Which of the following pairs of elements have same number of electrons...

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  11. A change of Zn to Zn^(2+) is a accompanied by a decrease in:

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  12. Which elements is named after the name of a planet is

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  13. The properties which are common to both groups 1 and 17 elements in th...

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  14. There are three elements A, B and C. their atomic number are Z(1), Z(2...

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  15. Consider the following representation based on long form of periodic t...

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  16. Which of the following match is/are correct regarding B, Al, C and S e...

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  17. Consider the value of all four quantum number for last electron and sp...

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  18. An element 'X' present in its ground state, the value of principal ann...

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  19. Which of the following pairs have approximately the same atomic radii?

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  20. The correct order of radiii is/are:

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