<span>The valence electrons occur in the outer shell of the atom. </span>
Answer:
cellular respiration.
explanation: cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
Yes. It is rather a natural phenomenon. If you search and understand the process of chemical
change or reaction that results to its chemical property outcome, it has a new
formed substance. Unlike physical change or reaction it only changes in shape
or form but the substance, compound or element in the matter is till the same.
Furthermore, when chemical change is undergoing you notice the change in shape,
size and from like the physical change but there is a change in the element,
compound or substance. When you lit a fire on a paper the fire disorients,
disorganizes and disturb the former positions of the atoms and because of the
fire as catalyzer the atoms did its behavior –changing both intrinsic and extrinsic.
This strategy was known as "Island hopping"
