8.1 Write down the electronic configuration of:
The atomic number of Manganese is 25 and the previous noble element is Ar (argon) So, the electronic configuration of
‘Stop defending your so-called flawless OSM’: Class 12 students slam CBSE over blurred answer sheets
'CBSE failed us, again!': Board faces backlash as Class 12 re-evaluation portal remains inaccessible
CBSE Class 12 re-evaluation portal faces technical glitch, services to resume by 2 pm
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