the element has 7 valance electrons is CI:Chlorine
 
        
             
        
        
        
The best way to pull the boat in the launch lane is when the towing vehicle has reached the boat ramp as well as the trailer. It is best to retrieve the boat in this manner for it is more appropriate, convenient and it is a way of showing courtesy towards others because it is a proper manner.
        
                    
             
        
        
        
Answer:
energy I think I'm not sure of the answer.
 
        
             
        
        
        
Answer:
20 hertz of frequency produced.
Explanation:

Here we will find frequency and period should be in second, here given: 0.05 seconds
using the formula:


 
        
             
        
        
        
Answer:
The answer is D
Explanation:
I'm too lz to explain everything.
sorry.