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प्रश्न
Explain the observation, at the end of each period, there is a slight increase in the atomic radius of d-block elements.
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उत्तर
The d-orbital is full with ten electrons and shields the electrons present in the higher s-orbital to a greater extent resulting in an increase in size.
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संबंधित प्रश्न
Write down the electronic configuration of Pm3+.
Write down the electronic configuration of Ce4+.
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(a) 12
(b) 30
(c) 26
(d) 36
Write the different oxidation states of manganese.
Which transition metal of 3d series has positive E° (M2+/M) value and why?
Which among the following is not considered as a part of transition elements?
Electronic configuration of Cu3+ is ____________.
The electronic configuration of \[\ce{Cu(II)}\] is 3d9 whereas that of \[\ce{Cu(I)}\] is 3d10. Which of the following is correct?
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| (i) | lowest enthalpy of atomisation | (p) | Sc |
| (ii) | shows maximum number of oxidation states | (q) | Mn |
| (iii) | transition metal that does not form coloured compounds |
(r) | Zn |
| (s) | Ti |
