ORBITS OR ENERGY LEVELS

by • 01/08/2013 • GeneralComments (0)351

ORBITS OR ENERGY LEVELS:

The circular paths round the nucleus in which electrons are revolving are called orbits or energy levels. There are different energy levels with different capacity of electrons which can be determined by formula 2n² as:

n = 1 ; Orbit = K ; 2(1) ² = 2

n = 2 ; Orbit = L ; 2(2) ² = 8

n = 3 ; Orbit = M ; 2(3) ² = 18

 

ORBITALS:

Energy levels are further divided into sub energy levels or orbital. There are four types of orbital as shown below with their capacity of electrons.

 

s = 2;  p = 6;  d =10;  f = 14

The sub energy levels present in each orbit are

 

Orbit K L M N
Sub energy level s s, p s, p, d s, p, d, f

 

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