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Why are transition elements known as d-b...

Why are transition elements known as d-block elements ?

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Transition elements are calledd-block elements because are last enters ( n-1) d-orbital,i.e, d-orbital of the penultimate shell.
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Some statements are given below. Among them, the correct statement are a) All transition elements are d-block elements b) All d-block elements are transition elements c) Helium is a inert gas d) Aluminium is a respresentative element

What are the characteristics of th transition elements and why are they called transition elements? Which of the d-block elements may not be regarded as the transition elements?

(a) What are transition elements ? Which of the d-block elements are not regarded as transition elements ? (b) In what way the electronic configurations of transition elements are different from those of representative elements ?

(a) What is the difference between the electronic structures of transition and inner transition elements ? (b) Why are f-block elements placed at the bottom of the periodic table? Give the names of the series present in the block.

All transition elements are d-block elements, but all d-block elements are not transition elements. Which the following is true.

PRADEEP-D- AND F-BLOCK ELEMENTS-ADDITIONAL QUESTIONS (VERY SHORT ANSWER QUESTIONS)
  1. The transition elements are so named because

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  2. Why are transition elements known as d-block elements ?

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  3. The electronic configuration of a transition elements in +3 oxidatin s...

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  4. How many elements are presents in the d-block of the periodic table ?

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  5. How many transiiton series of elements are there in the periodic tab...

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  6. Write the general electronic configuration of transition elements or d...

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  7. Each transition series contains only 10 elements because

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  8. Zinc, cadmium and mercury are generally not considered as transition ...

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  9. In the transition series, starting from lanthanum La(Z=57), the next e...

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  10. Which out of the following is//are transition elements //s and why ? ...

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  11. Both Cu and Zn have completely filled 3d atomic orbitals. Cu is cons...

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  12. The atomic sizesof Fe,Co and Ni are nearly same, Explain with reason....

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  13. How does the ionic/covalent character of the compounds of a transition...

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  14. Name the element in the 3d series that (i) shows maximum oxidation s...

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  15. What is the common oxidation state of Cu, Ag and Au ?

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  16. which metal in the first series of transition metals exhibits +1 oxid...

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  17. Which of the following is an example of disproportionation reaction?

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  18. Write all posible oxidation state of an element having atomic number 2...

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  19. Why does vanadium pentoxide act as a catalyst?

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  20. Why Zn^(2+) salts are white while Ni^(2+) salts are blue

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