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Easy for elements to loose an electron Shiny, soft, not free, REACTIV Group 1: Alkali Metals
Hard, dense, strong, high melting point, not free, less reactiv Group 2: Alkaline Earth Metals
Unique among elements, Does not share group 1 Electron configuration= 1s^1 Hyrdogen
Only element stable with 2 electrons, like noble gases (nonreactive), Helium
Typical metal, less reactive that 1 &2 Gold, palladium, Platinum= least reactive D-group (3-12): transition Metals
Total number of electrons in the valence= g#-10 Properties vary: metals, metalloids, non-metals, gases P-block(13-18): Main Group elements
Most reactive non metals, 7 valence e/wants one more, but super reactive Halogens: group 1 and 17
Lanthanides: Shiny Metals Actinides: Radioactive, first four natural Sideways- no rules F-Block
Created by: jenniferbauer



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