Why did you post this again? Because you're lazy and wanted people to not see my post? Once again, ONE QUESTION AT A TIME. We're here to help you with a tough question or work you through it, not do all your homework.
        
                    
             
        
        
        
Answer:
 2 electrons
Explanation:
There are five 3d orbitals, each of which can hold up to 2 electrons, for 10 total electrons. An orbital is described by the principle quantum number, n, the angular momentum quantum number, l, and the magnetic quantum number, ml.
 
        
             
        
        
        
They or on the southern hysteric watch it on youtube (latitude and longitude song 1 direction remix by the history teachers)