the electrons that are in the outermost (highest) energy level and are held the most losely
electron dot diagram
shows the number of valence (outermost) electrons in an atom; consists of a chemical symbol surrounded by dots
force of attraction that holds two atoms together as a result of the rearrangement of electrons between them
an atom or group of atoms that has/have a charge
a charged group of atoms that act as a single unit
the attraction between two oppositely charged ions
a compound that consists of positive and negative ions held together by their attraction for one another
a combination of symbols that that shows the ratio of elements in a compound
a number written behind a chemical symbol that tells you the ratio of elements in a compound
an orderly, three dimensional arrangement of ions
the chemical bond formed when two atoms share electrons
a neutral group of atoms joined by covalent bonds
two atoms sharing two pairs of electrons
two atoms sharing three pairs of electrons
a compound that is made up of atoms held together by covalent bonds
a covalent bond in which two electrons are shared unequally
a covalent bond in which two electrons are shared equally
a mixture of two or more elements that has the properties of a metal; one of the combined elements MUST be a metal
the attraction between a positive metal ion and the electrons surrounding it
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