MCQ
What is the atomic mass $(u)$ of sodium?
- A$22$
- ✓$23$
- C$23.5$
- D$24$
✓
Answer
Correct option: B.
$23$
Sodium is a chemical element with the symbol $Na$ and atomic number $11.$
Atomic mass $(u)$ of sodium $= 23u$.
It is a soft, silvery$-$white, highly reactive metal.
Atomic mass $(u)$ of sodium $= 23u$.
It is a soft, silvery$-$white, highly reactive metal.
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