Answer:
covalent bond 
it has 1 (outer most shell)
it has 7 (outter most shell)
hydrogen gains 1 chlorine gains 1
Explanation:
covalent bond as atoms share electrons to achieve full outer shell if electrons
hydrogen gains one to achieve 2 electrons in outer shell
chlorine gains 1 to achieve 8 electrons in outer shell 
 
        
             
        
        
        
Answer:
<em>Warm water moving toward the coast of South America</em>
 
        
                    
             
        
        
        
Answer:
To determine that electric beams in cathode ray tubes were actually made of particles
Explanation:
I hope this is correct, if it isn't then feel free to let me know and I will correct it. I'm sorry in advance if it is incorrect.