organizing elements
__________ _______ , which now states that the properties of the elements vary in a periodic way with their atomic numbers.
periodic law
almost 80 percent of elements are ______
metals
________ __ ____ consists of the elements chemical symbol surrounded by the atom's valence electrons
Electron dot notation
___________ _____________ of the elements , is a table of the chemical elements arranged in a way that displays their periodic properties in relationship to their atomic numbers.
periodic table
These elements have characteristics between those of metals and nonmetals
metalloids
______ _______ is simply the distance from the center of the atom's nucleus to the electrons in its outermost energy level
Atomic Radius
a _______ or ________ is a set of elements in the same column on the periodic table.
family group
These elements typically have four or more valence electrons and do not exhibit the general properties of metals.
Nonmetals
The measure of an elements ability to attract and hold electrons when bonded to other atoms is called ______________
electronegativity
_______ ________ , which are the electrons in the outermost energy level of a neutral atom
valence electrons
_______ _______ are elements in group 1.
Alkali metals
Scientists call a row on the periodic table a ______
period
Groups 3-12 are called the _______ _______
transition metals