<span>C 13 has
Protons = 6
neutrons = 6
electrons = 13-6</span>
Appropriate symbol for an isotope of potassium - 39 corresponding to the isotope notion r A ZX
Chemical energy is converted to thermal energy.
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.
