MCQ
Variable valency in general, is exhibited by
- ✓Transition elements
- BGaseous elements
- CNon-metals
- D$s$-block elements
✓
Answer
Correct option: A.
Transition elements
a
(a) Transition elements due to presence of vacant $d$-orbitals.
(a) Transition elements due to presence of vacant $d$-orbitals.
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