test about periodic table

i have a coming test which about periodic table. Can anyone help me and tell me the property of groups? i know
Group 'I': soft react with non-metal form salt low melting and boiling point,low densites and react with dilute hydrochloric acid to form metal chloride and hydrogen.
Group II : more harder than group I,react with non-metal form salt low melting and boiling point,low densites and react with dilute hydrochloric acid to form metal chloride and hydrogen.but less reactive than Group I

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Re: test about periodic table

[quote="noidea"]i have a coming test which about periodic table.[/quote]
This would take time.
Group 17- halogens, the most reactive group of nonmetals, low melting and boiling points, they make Cl2, Br2, I2 and F2 molecules...
Group 18-nobile gases -->
http://www.webelements.com/forums/viewtopic.php?t=410

thx

thx

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