00081094
00081094 00081094
  • 24-11-2020
  • Chemistry
contestada

Element ______ has 2 valence electrons and is in period 4.

Respuesta :

kashmirisufyan
kashmirisufyan kashmirisufyan
  • 07-01-2021

Answer:

Calcium

2.8.8.2

last energy she'll got 2 electrons

as 2 valency

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