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The following are some statements about ...

The following are some statements about modern periodic table
i) It is based on electronic configuration
ii) It contains 7 periods and 18 groups
iii) Each period begins with a non - metallic element

A

All are correct

B

only i and ii are correct

C

only i is correct

D

only ii and iii are correct

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-PERIODIC TABLE-OBJECTIVE EXERCISE -2B
  1. Among a) Na(2)O(2) , b) MgO, c) Al2O3 : d) P2O5 and e) Cl2O7 the most...

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  2. The following are some statements about Mendeleeff's periodic table ...

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  3. The following are some statements about modern periodic table i) It...

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  4. Following are some statements about modern periodic table i) It con...

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  5. Exhibition of various oxidation states by transition elements is due t...

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  6. X' is most inert element and 'Y' is most reactive element in the long ...

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  7. In the presence of six ligand units the degeneracy of d-orbitals is lo...

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  8. Which of the following is true

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  9. Match the following

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  10. Match the following

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  11. Match the following

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  12. Match the following

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  13. The following are some statements about noble gases i) They are betw...

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  14. The following are some statements about transition elements i) IIB g...

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  15. (A): Zn is not a transition element. (R) : Elements with incomplete...

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  16. The atomic number of an element is 35. what is the total number of ele...

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  17. Regarding lanthanide contraction, some statements are given a) It a...

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  18. I1 of an element X is 899 kJ "mole"^(-1) and that of another element ...

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  19. Consider the following changes a) M((g))^(+2) rarr M((g))^(+3) + e^...

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  20. The correct order of IP2 , values among F, Na, Mg and Al is

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