CIR Rm.6
Sunday, October 3, 2010
GROUPS
-
Elements in a group have the same valence electrons.
FAMILIES
IA - Alkali metals
IIA - Alkali earth metals
IIIA - Boron
IVA - Carbon
VA - Nitrogen
VIA - Chalcogens
VII - Halogens
VIII - Noble gas / Ideal gas
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