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Science Vocab Chap 1
Chemistry
| Term | Definition |
|---|---|
| Chemical bonding | the combining of atoms to form molecules or ionic compounds. |
| Chemical bond | an interaction that holds atoms or ions together. |
| Valence electrons | an electron that is found in the outermost shell of an atom and that determines the atom’s chemical properties. |
| Ionic bond | a bond that forms when electrons are transferred from one atom to another, which results in a positive ion and a negative ion. |
| Ion | a charged particle that forms when an atom or group of atoms gains or losses one or more electrons. |
| Crystal lattice | the regular pattern in which a crystal is arranged. |
| Covalent bond | a bond formed when atoms share one or more pairs of electrons. |
| Molecule | the smallest unit of a substance that keeps all of the physical and chemical properties of that substance |
| Metallic bond | a bond formed by the attraction between positively charged metal ions and the electrons around them. |