Answer:
c. contraction
Explanation:
Heating will cause substances to expand, or change their state (like solid to liquid) or it may be a chemical reaction.
 
        
                    
             
        
        
        
Answer:
i dOnT SpEaK uR lAnGuAgE 
Explanation:
ReEEEeEeEeEeEeEeEeEeeEEEeeeeEEEEeeeeeEEeEEeeeeeEEEEEeeeEee
 
        
             
        
        
        
Hahahaaaa none of the above but IF <span>(c) is
 
1/2 mole of NaCl and 1/3 mole of MgCl2 instead,
then C is the right ans :)</span>
        
                    
             
        
        
        
<span>The representative particle for silicon is atom of silicon.
</span>Representative particles can be atoms, molecules, formula units or ions. Representative particles depend on the nature of the substance. Silicon is chemical element made of atoms.
For sodium chloride (NaCl) for example, representative particles are ions.