b. selenium
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Chemistry, 05.11.2020 18:30 salvadorperez26
What element in group 6 has 3 shells/energy levels around the nucleus
A. oxygen
b. selenium
c. thallium
d. sulfur
(Please do not anwser if you do not know for sure, thank you!.)
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You know the right answer?
What element in group 6 has 3 shells/energy levels around the nucleus
A. oxygen
b. selenium
b. selenium
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