popalley09 popalley09
  • 13-02-2020
  • Physics
contestada

why are elements in group one reactive​

Respuesta :

amygeez amygeez
  • 13-02-2020

Answer:

Elements in the same group of the periodic table have the same number of valence electrons. These are the electrons in their outer energy level that can be involved in chemical reactions. ... All the elements in group 1 have just one valence electron. This makes them very reactive.

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