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in d block elements how we can say their melting boiling and their stability plssss tell me in detail

in d block elements how we can say their melting boiling and
their stability    plssss  tell me in detail
 

Grade:12

1 Answers

Vikas TU
14149 Points
4 years ago
Dear student 
The melting-points of the transition metals are high due to the 3d electrons being available for metallic bonding. The densities of the transition metals are high for the same reason as the high boiling points.
In group of d-block elements the oxidation state for heavier elements is more stable as the core (after removing valence electrons the remainder is called core) of these elements is unstable and hence can lose one or more electrons from the unstable core gives higher oxidation states

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