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Periodic Table

Metals -solid and room Temperature -Ductile (wire) -Malleable(hammered) -conductors
Non Metals -Poor conductors -Breaks easy -Not ductile -Not malleable
Periodic Table The periodic table arranges all of the known elements in order of increasing atomic # (# of protons)
Metalliods Element on both sides of the zig zag line have properties of both metals and non-metals
Periods The periods on the PT are the rows numbered from 1-7. Also the atomic number increases from left to right
Groups Groups or families on the PT are the columns numbered from 1-18. Also the same amount of valence electrons.
Stable Atom An atom is stable when the outer shell is filled
Alkali Metals Alkali metals are highly reactive. Never found in nature uncombined.
Alkali Earth Metals Fairly reactive metals. Not as reactive as alkali but never found in nature uncombined.
Transition Metals Hard and dense metals that are useful as building materials, Jewelry, and coins
Noble Gases Noble Gases are not reactive and is always found on the own nature.
Protons Positive charge
Neutrons Neutral charge
Electrons Negative Charge
Atomic Numer Same Number as the Protons
Atomic mass # of protons + # of neutrons
Created by: 1644029