Find in the values reported in tables (you decide which table, one that is reliable and with scientific support, books, pages like the NIST, etc.) :
three chemical elements with negative Hall coefficient. How many valence electrons do these metals have? Why are charge carriers positive?
*Please include the reference of the table used
For comment:
you decide which table, one that is reliable and with
scientific support, books, pages like the NIST, etc.
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