Since there is one carbon with 4 Fluorines attached to it, and both compounds are no metals, we use the covalent method for naming, 
Here we ignore the prefix for the first element if it is 1. Mono. Then pay attention to the second one, it would be tetra, because tetra means 4. Here there are 4 fluorines. 
Drop ine and place ide
CF4 = carbon tetrafluoride.
        
             
        
        
        
Answer:
Star's 
Explanation:
Stars have their own brightness
 
        
             
        
        
        
Explain more so i could answer it!!
        
             
        
        
        
You should clean up after every investigation because if you leave a mess, maybe another detective will come in and get lost because of the mess you left.