Mcrank2092
Mcrank2092 Mcrank2092
  • 03-05-2021
  • English
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5. What period are the following elements in?
a. He
b. Rb
c. I
d. Ge

Respuesta :

cora50
cora50 cora50
  • 03-05-2021
He - 1
Ge- 4
Rb - 5
I - 5
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