how can you decide the an atom belongs to perticular period
please answer to my question fastly
if anyone answer to my question fastly i will mark as a brainlist
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0
Answer:
ask a completely new question and risk being closed for exact duplicate.
ask a completely new question referring to the old one.
edit the old question to bump it
Answered by
1
Answer:
By seeing the structure of atom and its electron , protons
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