Jee Main
D And F Block Elements
JEE Main 2024 (Online) 27th January Evening Shift
INTEGER+4 / -12024
Total number of ions from the following with noble gas configuration is _________.
\(\mathrm{Sr}^{2+}(z=38), \mathrm{Cs}^{+}(z=55), \mathrm{La}^{2+}(z=57), \mathrm{Pb}^{2+}(z=82), \mathrm{Yb}^{2+}(z=70)\) and \(\mathrm{Fe}^{2+}(z=26)\)
