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periodic Table

Metals Solid at room temperature Shiny luster ductile
nonmetals red properties on the periodic table no luster poor conductors of heat and electricity brittle not ductile
metaloids green part on the periodic tables elements o both sides of the zigzag line (staircase) have properties or both metals and nonmetals
periods the periods on the PT are the rows numbered from 1-7. atomic number increases from left to right those in the same period have the same number of energy levels or shells chemical properties are not all simalar
Groups The groups or families on the PT are the columns numbered from 1-18
Alkali Metals Highly reactive metals They are so reactive that they are never found uncombined in nature Mtals soft enough to be cut with a butter knife Li, Na, K
Transition metals less reactive metals Hard, dense metals that are useful as building materials, jewelry and coins also used as oxides to make paints and pigments Fe,Cu,Au,Ag
Noble Gases nonreactive gases do not react naturally-always found on their own in nature used in "neon" signs, balloons and light bulbs He,Ne,Ar
Created by: 4696128652