The density of the stone is 5 because the formula is mass/volume and the volume is 5 and the mass is 25
        
             
        
        
        
The outermost energy shell of an atom
because they are involved in forming bonds 
 
        
             
        
        
        
Proton:
Positive
Found in Nucleus
Mass of 1 AMU
Neutron:
Neutral
Found in Nucleus
Mass of 1 AMU
Electron:
Negative 
Found in orbitals
Mass of 0 AMU
Please mark Brainliest if this helped you! :)
 
        
             
        
        
        
Answer:
Science is the study of the nature and behavior of natural things and the knowledge that we obtain about them. ... A science is a particular branch of science such as physics, chemistry, or biology. Physics is the best example of a science which has developed strong, abstract theories.
Explanation: