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Element A has 3 electrons in the outermo...

Element A has 3 electrons in the outermost shell and element B has 6 electrons in the outermost shell. what is the formula of the compound.

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Give one example of Lanthanoid having +2 oxidation state.

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  2. Which of the following ions show higher spin only magnetic moment valu...

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  3. Element A has 3 electrons in the outermost shell and element B has 6 e...

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  4. Examples of food sources that contain calcium are-

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  5. Although +3 is the characteristic oxidation State for lanthanoids but ...

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  6. What is the coordinate number of the central metal ions in the followi...

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  7. Complete the reaction :

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  8. Match the properties given in Column I with the metals given in Column...

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  9. Write lewis dot symbol for following elements : scandium

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  10. Write lewis dot symbol for following elements :helium

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  11. Complete the reaction :

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  12. Draw lewis structure of SOCl2

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  13. In the following questions a statement of assertion followed by a stat...

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  14. Assertion : Separation of Zr and Hf is difficult. Reason : Because Zr ...

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  15. Assertion : Actinoids form relatively less stable complexes as compare...

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  16. Assertion : Cu cannot liberate hydrogen from acids. Reason : Because i...

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  17. Assertion : The highest oxidation state of osmium is +8. Reason : Osmi...

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  18. Explain the following observation : Cu^+ ion is not known in aqueous s...

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  19. Why is equropium (II) more stable than cerium (II) (Eu = 63, Ce =58) g...

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  20. Which ion has maximum size in Lanthanoid series ?

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