MCQ
Which shows variable valency
- A$s$ - block elements
- B$p$ - block elements
- ✓$d$ - block elements
- DRadioactive elements
✓
Answer
Correct option: C.
$d$ - block elements
c
$d$-block elements have empty inner orbitals, the electrons are added to incomplete inner shells. Thus they show variable valencies.
$d$-block elements have empty inner orbitals, the electrons are added to incomplete inner shells. Thus they show variable valencies.
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