Answer:
Sphere
Explanation:
The shape of the s-sublevel is spherical in shape. 
This sublevel has an azimuthal quantum number of 0 and it is spherical in shape; 
- p - sublevel has a dumb-bell shape 
 - d - sublevel has double dumb - bell shape 
 - f - sublevel has a complex shape
 
 
        
             
        
        
        
PbCl2 would not dissolve because it is insoluble based on the solubility rules for substances that will dissolve in water. This compound would instead form a solid precipitate at the bottom of the container. 
 
        
             
        
        
        
Answer: 4.) CH3O is the answer, which stands for Methoxide.
Explanation:
 
        
             
        
        
        
Endocrine system im pretty sure