For the third electron of Lithium atom moving in its premissible orbit, the values of angular momentum and energy are...... Respectively

For the third electron of Lithium atom moving in its premissible orbit

1.	For the third electron of Lithium atom moving in its premissible orbit, the values of angular momentum and energy are...... Respectively
Answer» Angular momentum `(h)/(2PI)` energy `=(-9pi^(2)E^(4)m)/(2h^(2)` Angular momentum `(3h)/(2pi)` energy `=(+3pi^(2)em^(4))/(4h^(2)` Angular momentum `(h)/(2pi)` energy `=(3pi^(2)me^(4))/(2h^(2)` Angular momentum `(h)/(2pi)` energy `=(-6pi^(2)e^(4)m)/(3h^(2)` Solution :`Li 1S^(2)2S^(1)` third ELECTRON of Li means `2s^(1)` `therefore` angular momentum quantum no = l =0 angularmomentum of electron in any orbital accordingto bohrequation`E=(2e^(4)pi^(2)z^(2)m)/(n^(2)h^(2))` for third electronof li `1s^(2) 2s^(1)` `=-9/2 (e^(4)pi^(2)m)/(h^(2))`