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8hgrade chap 13
Science Flashcards
Question | Answer |
---|---|
Chemical Bonding | The combining of atoms to form molecules or ionic compounds. |
Chemical Bond | An interaction that holds ions or atoms together. |
Valence Electron | An electron that is found in the outermost shell of an atom and that determines an 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 loses 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 kepps all the physical and chemical properties of that substance. (Water) (It's also an example of a Covalent Bond) |
Metallic Bond | A bond formed by the attraction beteen positively charged metal ions and the electrons. |