Respuesta :
					                   sorry for the plain answer but Hydrogen is a *Light* Gas and iron is Iron -- heavy
					                
					                
					             
					                   Good question, but...
I think this is how it is, hydrogen is a light gas, iron has many other elements, and that's what makes it heavy -
					                
					                
					             I think this is how it is, hydrogen is a light gas, iron has many other elements, and that's what makes it heavy -
 
			                   
					                  