List the energy levels for the orbital configuration of vanadium atomic 23

The electron configuration for Vanadium : 1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d³

Given

Vanadium with atomic number=23

Required

Orbital configuration

Solution

The energy level is expressed in the form of electron configurations.  

There are 4 sub-shells in the shell of an atom, namely s, p, d and f. The maximum number of electrons for each sub shell is  

• s: 2 electrons  

• p: 6 electrons  

• d: 10 electrons and  

• f: 14 electrons  

Charging electrons in the sub shell uses the following sequence:  

1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰, 4p⁶, 5s², 4d¹⁰, 5p⁶, 6s², etc.

For Vanadium :

energy level = n

n=1,first energy level : 1s²

n=2,second energy level : 2s², 2p⁶

n=3,third energy level : 3s², 3p⁶, 3d³

n=4,fourth energy level :  4s²

c. because step up transformer steps up the input voltage i.e increases the input voltage  

the number of turns are greater on the secondary side of step up transformer  

transformer does not handle dc current