The part of the atom involved in a chemical reaction is the electron cloud.
The basic steps of the scientific method are: 1) make an observation that describes a problem, 2) create a hypothesis, 3) test the hypothesis, and 4) draw conclusions and refine the hypothesis. ... Critical thinking is a key component of the scientific method. Without it, you cannot use logic to come to conclusions.
Rusting is a chemical change because it is two substances reacting together to make a new substance. It also has broken and rearranged compounds and usually doesn't simply change back to normal easily or at all. Is that too much or is it good?