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What period is promethium (Pm) in?

What period is promethium (Pm) in?
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What period is promethium (Pm) in?

User Ruty
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2 Answers

12 votes
period: 6
block:f
atomic number:61
state at 20 degrees Celsius: solid
User AFS
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3 votes

Answer:

6

Step-by-step explanation:

User Tuergeist
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