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Which of the following statements is/are...

Which of the following statements is/are true about the modern form of periodic table?

A

Third group of periodic table accommodates maximum number of elements.

B

Due to presence of half filled and fully filled sub shells in electronic configuration electronegativity of atom increases

C

The element of 13 th group and 7th period will have atomic number 113.

D

Diagonal relationship in 2nd and 3rd period element is found due to similar charge to size ratio

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The correct Answer is:
A, C, D
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GRB PUBLICATION-PERIODIC TABLE-Multiple Objective Type
  1. Which of the following statements is/are true about the modern form of...

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  2. Which of the following orders is correct for the size ?

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  3. In which of the following arrangements, the order is not correct accor...

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  4. Which of the following statement(s) is/are correct?

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  5. Ionisation energy of atoms A and B are 350 and 250 kcal mol^(-) respec...

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

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  7. Which of the following statements is/are true about the modern form of...

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  8. The factors that influence the ionisation energies are:

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  9. Which of the following statement(s) is/are correct?

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  10. Ionization energy of an element is:

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

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  12. Select the incorrect statement(s).

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  13. Which of the following order(s) is/are correct?

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  14. Which of the following is/are true order (s)?

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  15. Poor shielding of nuclear charge by d or f-orbital elements is respons...

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  16. Select equations having endothermic step:

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  17. Which is not correct order for the properties specified ?

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  18. Select the correct statement(s).

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  19. Degenerate orbital have:

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  20. Which of the following pairs were incorrectly arranged in Mendeleev's ...

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