Ch.3 Vocab

the smallest particle that can still be considered an element

a substance that cannot be broken down into any other substance by physical or chemical means

an atom; are those electrons that have the highest energy

includes the symbol for the element surrounded by dots

the force of attraction that holds atoms together as a result of the rearrangement of electrons between them

an atom or group of atoms that has an electric charge

ions that are made of more than one atom

the attraction between two oppositley charged ions

resulting compound

a group of symbols that shows the ratio of elements in a compound

tells the ratio of elements in a compound

the ions form an orderly, three-dimensial arrangement

the chemical bond formed when 2 atoms share electrons

a neutral group of atoms joined by covalent bonds

2 atoms share 2 pairs of electrons

3 atoms share 3 pairs of electrons

a compuond that is made up of molecules

a covalent bond in which electrons are shared equally

a covalent bond in which electrons are shared unequally