amarifaith037
amarifaith037 amarifaith037
  • 07-06-2021
  • Chemistry
contestada

which of these elements has two valence electrons?

a. hydrogen (H)
b. barium (Ba)
c. nitrogen (N)
d. krypton (Kr)
e. bromine (Br)​

Respuesta :

angelcharqueno2874
angelcharqueno2874 angelcharqueno2874
  • 07-06-2021
Hydrogen only has 1 electron so not A.
Barium has 2 valence electrons so answers B!
Answer Link

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