Page 3 - chemi
P. 3
Iron
-located in group 8,period 4
-melting point 1,538 degree Celsius
-boiling point 2,862 degree Celsius
-ductile
-gray
-good conductor of heat and electricity
Uses as catalyse in the Haber process
+WHAT IS THE ROLE OF CATALYSTS
-catalysts work by catalytic pathways into the reaction.
-they increase the frequency of collisions between reactants but do not
change their physical or chemical properties.
-catalysts speed up a chemical reaction by lowering the amount of heat
