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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
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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

User Long Nguyen Duc
by
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1 Answer

7 votes

Answer:

Group 6a, period 4

Step-by-step explanation:

Refer to image

What is the group number and period number for Selenium? group 7A, period 4 group-example-1
User Nikoletta
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