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Science Vocabulary
By Colin Beasley Per. 8-9
| Term | Definition |
|---|---|
| The combining of atoms to form molecules or ionic compounds | Chemical bonding |
| An interaction that holds atoms or ions together | Chemical bond |
| An electron that is found in the outermost shell of an atom and that determines the atom’s chemical properties | Valence electron |
| A bond that forms when electrons are transferred from one atom to another, which results in a positive or negative ion | Ionic bond |
| A charged particle that forms when an atom or group of atoms gains or loses one or more electrons | Ion |
| The regular pattern in which a crystal is arranged | Crystal lattice |
| A bond formed when atoms share one or more pairs of electrons | Covalent bond |
| The smallest unit of substance that keeps all of the physical and chemical properties of that substance | Molecule |
| A bond formed by the attraction between positively charged metal ions and the electrons around them | Metallic bond |
| The process by which one or more substances change to produce one or more different substances | Chemical reaction |
| A solid that is produced as a result of a chemical reaction in solution | Precipitate |
| A combination of chemical symbols and numbers to represent a substance | Chemical formula |
| A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products | Chemical equation |
| The substance that forms in a chemical reaction | Reactant |
| The substance that forms in a chemical reaction | Product |
| The law that states the mass cannot be created or destroyed in ordinary chemical and physical changes | Law of conservation of mass |