Answer:
The majority of the weight in an atom is found in the nucleus.
Explanation:
The protons and neutrons that make up the nucleus of the atom may take up a tiny amount of space in comparison to the rest of the atom, but they are far more dense than the electrons that orbit the nucleus.
 
        
             
        
        
        
Answer:
6.67 mg/kg     per dose   ( 26.67 mg/kg   per day) 
Explanation:
400 mg / 60 kg = 6 2/3  mg/kg  per dose 
    per <em>DAY</em>  is  four times this number 
 
        
             
        
        
        
The electronic configuration is for iron (Fe) because if you add all those power up it will give you 26 and it’s the atomic number of Fe