Homework Help: chemistry

Posted by chelsea on Wednesday, October 13, 2010 at 2:15pm.

list the trends in physical properties of:
A. the group 1 metals
B. the halogens.

what do they mean by trends?

chemistry - bobpursley, Wednesday, October 13, 2010 at 2:43pm
Trend: As atomic number increases, what happens to size, reactivity, etc.

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