Periodic Table of Elements
Non-metal
Noble Gas
reactive
Groups
Periods
nonreactive
Metal
Group 1 and 17
The rows on the periodic table that show elements with the same number of energy levels
The type of element that is characterized by being unreactive non-metals in group 18.
a term used to describe elements that do not have a complete valence shell.
The columns on the periodic table that show elements with the same number of valence elecrons
These groups are known for being highly reactive
a term used to describe an element that has a full valence shell.
The most common type of element characterized by being shiny, malleable, ductile, and good conductors
The type of of element characterized by being dull, brittle, and poor conductors of heat and electricity.
The organization of elements into groups and periods based on their chemical properties.
