Write down the electronic configuration of hydrogen.
(a) Write down the electronic configuration of (i) magnesium atom, and (ii) magnesium ion. (At. No. of Mg = 12 ) (b) Write down the electronic configuration of (i) sulphur atom and (ii) sulphur ion. (At. No. of S = 16)
Write down the electronic configuration of
Cr3+
Pm3+
Cu+
Ce4+
Co2+
Lu2+
Mn2+
Th4+
Write down the electronic configuration of (i) chlorine atom (ii) chlorine ion