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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 Cu+.
Write down the electronic configuration of Ce4+.
Write down the electronic configuration of Co2+.
Write the different oxidation states of manganese.
Account for the following:
Mn2+ is more stable than Fe2+ towards oxidation to +3 state.
Which transition metal of 3d series has positive E° (M2+/M) value and why?
Electronic configuration of Cu3+ is ____________.
Define transition metals.
Assertion (A) : Copper is a non-transition element.
Reason (R) : Copper has completely filled d-orbitals in its ground state.
