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  • 22-11-2018
  • Chemistry
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Some elements located on the periodic table in groups 3 to 12 have valence electrons in the d- or f- orbitals. What are these elements called?
A. representative elements
B. transitional elements
C. actinides
D. lanthinides

Respuesta :

mc2416 mc2416
  • 22-11-2018
The answer is B) transitional elements
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