Periodic Table Of The Elements Flashcards
Periodic table
An arrangement of the elements in order of their atomic numbers such that elements with similar properties fall in the same column or group
Chemical Symbol
A 1, 2, or 3 letter abbreviation of the name of an element
Average Atomic Mass
The weighted average of masses of all naturally occurring isotopes of an element
Nonmetal
An element that conducts heat and electricity poorly
Metalloid
An element that has properties of both metal and nonmetal
Group
A vertical column of elements in the periodic table; elements in a group share chemical properties
Period
In chemistry, a horizontal row of elements in the periodic table
Metal
An element that is shiny and that conducts heat and electricity well