natalie4957 natalie4957
  • 16-03-2022
  • Chemistry
contestada


What is the group number and period number for Selenium?
group 7A, period 4
group 6A, period 4
group 6a. period 3
group 4a, period 6

Respuesta :

EP0NA
EP0NA EP0NA
  • 16-03-2022

Answer:

Group 6a, period 4

Explanation:

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