MCQ
Which has valency two
- A$Al$
- B$Rb$
- ✓$Cu$
- D$Ge$
✓
Answer
Correct option: C.
$Cu$
c
All has a valency $3$ .$Rb$ has valency $1$.$Cu$ has valency $2$ .$Ge$ has valency $4.$
All has a valency $3$ .$Rb$ has valency $1$.$Cu$ has valency $2$ .$Ge$ has valency $4.$
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