Answer:
Here's the conversion factor you need:
1 Kilometer   =   39370 inches
So, for your question we want to go 405,696 km....
405696 km   x   39370 inches/ 1 km  =   15972283464 inches
                         
15972283464 inches   x   2.54 x10^8 atoms/1 inch   =   4.05 x 10^18 atoms
                                      
 
        
             
        
        
        
Answer:
Hg Pb are in one, Li and B and O are in one, and NaCl are in one, As is alone
Explanation:
Periods are horizontal
Hope this helps!
 
        
             
        
        
        
True energy passes from animal to animal or plant to plant
        
                    
             
        
        
        
Answer:
If the question is which can make a buffer, then NH3, NH4Cl should be correct. Because Ammonium (NH4) is conjugate acid of NH3 so they can form an equilibrium which is basically a buffer whose purpose is to resist pH change.
Explanation: