Answer:
A molecule is a group of two or more atoms that are held together by chemical bonds.
Explanation:
C. mass is protons and neutrons. Both are in the nucleus
A Chemical change is any form of chemical reaction changing the state of the matter involved. When you fry an egg, you are making a reaction between the heat and the chemicals that make up the egg. Therefore once you have fried that egg, you have completed a chemical reaction. This is why it's a chemical change when you fry an egg.
