Transition elements show all of the following properties EXCEPT:
Correct answer: D. Their ionization energy is less than that of IIA group elements
- A. They are all metals in true sense
- B. They show variable oxidation state
- C. They have high melting and boiling points
- D. Their ionization energy is less than that of IIA group elements
Explanation
The ionization energy of an atom is the energy required to remove an electron from the atom. The ionization energy of a transition metal is typically higher than that of an IIA group element. This is because the transition metals have a partially filled d-subshell, which makes it more difficult to remove an electron.
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About Transition Elements
Transition elements are identified by their partially filled d subshells in atoms or common ions. The topic covers the electronic structure of d-block elements, including the filling order of 4s and 3d orbitals, variable oxidation states and the distinction between transition elements and elements with completely filled d subshells.
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