level of an atom. They determine how an atom will react in a chemical reaction. 3. A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms. An ionic bond is the bonding between a nonmetal and a metal, that occurs when charged atoms attract after one loses one or more of its electrons,and gives it to the other molecule. 4. Carbon. 5. Carbs, lipids, proteins, and nucleic acids. 6. Nutrients. Water, proteins, lipids, carbs, minerals, and vitamins…
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