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March 27, 2017

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this is the chart we were given
S = empty square
13 columns
Question which elemnts are classified as metals.

K S

S S S S J S S

F S S S S S S

S S S D S S R S S S S S S

  • science Dr. Bob /Pursley - ,

    I don't get how it is devised. My periodic chart has 18 columns.

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