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Chemical bonding
Term | Definition |
---|---|
Valence electron | The electrons that are in the highest energy level of an atom and that are involved in chemical bond. |
Electron dot diagram | A representation of the valence electron in an atom |
chemical bond | The force of attraction that holds two atoms together |
ion | An atom or group of atom that has become electrically charged |
ionic bond | The attract between oppositely charged ions |
polyatomic ions | An ion that is made of more than one atom |
chemical formula | Symbols that show the elements in a compound and the ratioof atoms |
subscript | A number in a chemical formula that tells the umber of atoms in a molecule or the ratio of elements in a compound. |
crystal | A solid in which the atoms are arranged in a pattern that repeats again and again |
Covalent bond | A chemical bond formed when two atoms share electrons |
molecule | A neutral group of two or more atoms held together by Covalent bonds |
metallic bond | An attraction between a positive metal ion and the electrons surrounding it |