Chemistry Chapter 7

a method of drawing atoms in which only the valence electrons are shown

Lewis Dot Structure

chemical combination of a metal ion and a nonmetal ion

ionic compound

ion with a positive charge

cation

ion with a negative charge

anion

the lowest whole number ratio of atoms in an ionic compound

formula unit

properties of ionic compounds

crystalline solids at room temperature
atoms arranged in 3D repeating structures
very high melting points
conductive when dissolved in water or molten

the number of atoms of the other element that surround an atom of an element in an ionic compound

coordination number

properties of metals

conduct electricity
malleable
ductile

the property of a metal that enables it to be shaped or bent

malleable

the property of a metal that enables it to be drawn into a wire

ductile

homogeneous mixture of metals

alloy

metal atom configurations

body-centered cubic
face-centered cubic
hexagonal close-packed

having the same number of valence electrons

isoelectric