The longest period of the periodic table is ______?
The longest period of the periodic table is ______?
متواتر جدول کی سب سے طویل مدت ______ ہے؟
Explanation
Period Length in Periodic Table:
Period 6 has 32 elements (including lanthanides), making it the longest.
Period 7 is incomplete but will match Period 6 when fully discovered.