What does the following chemical symbol whose atomic number is 11 represent?
Na
![Good Job!](https://www.niugnep.net/images/z-correct.png)
Answer
Na: Sodium
Atomic Number: 11
Na: Sodium
Atomic Number: 11
![Oops!](https://www.niugnep.net/images/z-incorrect.png)
Answer
Na: Sodium
Atomic Number: 11
Na: Sodium
Atomic Number: 11
Cadmium
Lead
Sodium
Naphthoquinone