1.lewis diagram
2.elctrons found in the valance shell
3.neon,because has a full valence shell
4.the center of the atom(nucleus) takes most of the mass while the shell takes the most volume
5.11electrons
6. because the nucleus is the the part of the atom that takes up most of the mass
7.c
8.d
9.a
10.b
        
                    
             
        
        
        
Sulfur dioxide<span> and </span>nitrogen oxide mix <span>with the water molecules in the atmosphere to produce acidic rain </span>
        
                    
             
        
        
        
Water makes up 90% of the body.