Answer:
the answer is 11
Explanation:
Ok, let us understand what is an atomic number, an atomic number is simply the proton number, the atomic number is always seen at the bottom left corner in a element of a periodic table, it is the number of proton in a atom of a certain element. 
 
        
             
        
        
        
Answer:
Explanation:
The subatomic particles called neutrons and protons are found in the nucleus of an atom and electrons travel around them
 
        
             
        
        
        
Answer:
74
Explanation:
this is the right answer because i said so