The electron configuration 1S\(^2\) 2S\(^2\) 2P\(_x\)\(^2\) contravenes the
The oxidation number of Chromium in Na\(_2\)Cr\(_2\)O\(_7\) is
The most important ore of aluminium is
Bases normally
The product formed when concentrated sodium chloride solution is electrolysed using carbon electrodes is
