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Shane Scarbrough

Published on Nov 26, 2015

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PRESENTATION OUTLINE

GALLIUM

ATOMIC NUMBER IS 31

ATOMIC SYMBOL GA

Photo by fdecomite

ATOMIC WEIGHT 69.723

PROTONS 31

Photo by Thorius

NEUTRONS 38

Photo by John Carleton

ELECTRONS 31

ELECTRON CONFIGURATION [AR]4S2 3D10 4P1

DISCOVERED IN 1875

DISCOVERED BY PAUL EMILE

1.5 OF IT IS FOUND IN COAL

SOME USES ARE DOPING SEMICONDUCTORS

VALENCE ELECTRONS 3

GROUP 4