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Halogens
7 valence electrons
high reactivity (most reactive nonmetal)
found in p-block
low boiling and melting point
toxic
Noble Gases
full outer electron shell
gases at room temp
calm independent
unreactive/inert
found in small amounts in the atmosphere
Alkaline Earth Metal
2 valence electrons
reactive (other than be)
silver to white color
metal characteristics
Lanthanide
f-block
rare earth metal
all natural
metal characteristics