What does the following chemical symbol whose atomic number is 11 represent?
    Na
    
Answer
Na: Sodium
Atomic Number: 11
      
    Na: Sodium
Atomic Number: 11

Answer
Na: Sodium
Atomic Number: 11
      
    Na: Sodium
Atomic Number: 11
Cadmium
Naphthoquinone
Lead
Sodium
    
