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Which of the following statements is/are...

Which of the following statements is/are true for the long form of the periodic table?

A

It helps to predict the stable valency states of the elements.

B

It reflects the sequence in which electrons fill up the subenergy levels s, p, d and f,

C

It reflects the trends in physical and chemical properties of the elements.

D

It helps to predict the relative ionicity of the bond between any two elements.

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The correct Answer is:
A
Can’t predict the stable valency states of elements
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VMC MODULES ENGLISH-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -LEVEL -1
  1. The atom having the valence shell electronic configuration 4s^(2) 4p^2...

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  2. Which of the following statements is/are true for the long form of the...

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  3. Which of the following classifications is incorrect ?

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  4. Which of the following is an allotrope of oxygen ?

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  5. Which of the following elements can be classified as a metalloid ?

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  6. In group 1 of the periodic table three elements X, Y and Z have atomic...

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  7. Which of the following sets of elements belongs to group 15 (atomic nu...

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  8. The outermost electronic configuration of the most electronegative ele...

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  9. How many elements are accommodated in the fifth period of the long for...

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  10. Which of the following is the smallest in size?

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  11. In the following, the element with the highest ionization energy is

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  12. Electronic configuration of four elements is given below.Which of the ...

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  13. Which of the following pairs contains elements that are chemically dis...

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  14. Which among the following elements have lowest value of IE1?

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  15. Among the following elements, which one has the highest ionization ene...

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  16. The correct order of increasing electronegativity of the following ele...

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  17. Which of the following ions has the maximum hydration energy?

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  18. Which of the following arrangements represents the correct order of in...

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  19. Which of the following atom would likely form a cation.

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  20. Which of the following atoms could form an anion with -2 charge?

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