force that holds atoms or ions tegether as a unit
amount of energy used to remove an electron
solids whose particles are arranged in a lattice structure are called this
attraction between the shared electrons and protons in each nucleus
what holds covalent bonds together?
compound made up of 2 elements
to indicate the charge of an ion
when are roman numerals used?
a reminder of the composition
what does the formula of a compound serve as?
attraction between a metal cation and the shared electrons that surround it
copper and tin
what is bronze made of?
copper and zinc
what is brass made of?
ability to conduct an electric current and malleability
what are 2 important properties of metals?
the properties of metals
the structure within a metal affects ________________.
ion with a negative charge
part of the element name + ide
how is an anion named?
name stays the same
how is a cation named?
ion with a positive charge
electron dot diagram
model of an atom in which each dot represents a valence electron
stable electron configuration
highest occupied energy level of an atom is filled with electrons
mixture of 2 or more elements, at least on of which is a metal
atom that has a net positive or negative electric charge
force that holds cations and anion together
notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound.
chemical bond in which 2 atoms share a pair of valence electrons
type and shape
what are the factors that determine whether a molecule is polar of nonpolar?
neutral group of atoms that are joined together by one or more covalent bonds