Answer:
The atomic number is the number of the elements inside the periodic table and the mass is the weight or a number under the elements.
Explanation:
Correct me if I am wrong
 
        
                    
             
        
        
        
What is the noble gas notation of Titanium in the ground state?
Answer: Titanium atoms have 22 electrons and the shell structure is 2.8. 10.2. The ground state electron configuration of ground state gaseous neutral titanium is [Ar]. 3d2.
        
             
        
        
        
16.952994 
Sorry if I’m wrong and if u can give me brainliest thx!