General Characteristics of D-Block elements:
Every elements of the D-block show identical properties due to the existence of similar electronic configuration of the outermost shell. The outermost shell configuration is ns2. Given below is a list of general properties like the atomic and ionic radii, and the ionization potentials noticed among the D-block elements.
Every transition element is metals.
The atomic size of d-block elements reduces from Sc to Zn due to rise in nuclear charge. Their atomic sizes are lower than that of s-block elements.
The I.P. values of transition elements are in-between those of s-block and p-block elements. This exhibits that they are more electropositive than p-block elements and less reactive than s-block elements. Due to in-between values I.P. they form ionic compounds and also covalent compounds.
Transition elements illustrate variable state oxidation in their compounds. The main reason of variable oxidation state is that there is much small energy difference in between (n-1) d and ns orbitals. As an outcome, electrons of (n-1) d orbitals and also ns-orbitals take part in bond arrangement. Variation in oxidation state is associated to their electronic configuration.
D-Block elements are very good conductor of heat and electricity.
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