The frequency of a wave represents B. the number of wave cycles that pass through a specific point within a given time.
The distance between two consecutive crests and the length of a wave are the <em>wavelength</em>.
The distance between the highest and lowest points of a wave is <em>twice the amplitude</em>.
 
        
             
        
        
        
Please include the statements 
 
        
             
        
        
        
By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom.
 
        
                    
             
        
        
        
Answer:
I believe it is B,fluorine to complete the octet rule
Explanation: