1) Everything is made up of atoms. 2)Atoms are indivisible and also undestroyable. 3) The combination of 2+ different kinds of atoms creates compounds 4) A chemical reaction happens when atoms are rearranged/moved around.
The answer is so you do not overheat
A mole is mean the atomic number of 12 grams of carbon 12.
A. all magnets have two poles
