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| chemical bonding |
| the combining of atoms to form molecules or ionic compounds |
| chemical bond |
| an interaction that holds atoms or ions together |
|
atomic number |
|
the number of protons in an atom |
| valence electron |
| an electron that is found in the outermost shell of an atom and that determines the atom's chemical properties |
| ionic bond |
| the attractive force between oppositely charged ions which form when electrons are transferred from one atom to another |
| 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 electorns |
| molecule |
|
a group of atoms that are held together by chemical forces;
a molecuse is he smallest unit of matter that can exist by itself and retain all of a subtance's chemical properties |
| diatomic molecules |
| molecules made up of two atoms of the same element |
| metallic bond |
| a bond formed by the attraction between positively charged metal ions and the electrons around them |
|
ductility |
|
the ability to be drawn into wires |
| malleability |
| the ability to be hammered into sheets |