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 :

16-03-2022

Answer:

Group 6a, period 4

Explanation:

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