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Y 2 1s PowerPoint PPT Presentation


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(Y 1s - Y 1s ) 2. (Y 1s + Y 1s ) 2. 2 x sameindasvigrúm 2x MO. 2 x atómsvigrúm 2x AO. Svigrúm fyrir/ space for 2 x 2e -. Svigrúm fyrir/ space for 2 x 2e -. H. H. Y 2 1s. Y 2 1s. Attraction forces, F -. attraction forces, F -. Repulsion forces, F +. Netto Repulsion force:

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Y 2 1s

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Y 2 1s

(Y1s - Y1s)2

(Y1s + Y1s)2

2 x sameindasvigrúm

2x MO

2 x atómsvigrúm

2x AO

Svigrúm fyrir/space for

2 x 2e-

Svigrúm fyrir/space for

2 x 2e-

H

H

Y21s

Y21s


Y 2 1s

Attraction

forces, F-

attraction

forces, F-

Repulsion

forces, F+

Netto

Repulsion force:

antibonding

-

-

-

-

Netto

Attraction force:

bonding:

CHEMICAL

BOND

Attraction

forces, F-

Repulsion-

force, F+

(Y1s - Y1s)2

-

-

+

+

-

-

-

+

-

+

-

-

(Y1s + Y1s)2


Y 2 1s

s

E

s

:

:

:

:

n = 3

n = 2

n = 1

Molecular energies(orbitals) quantized

:

:

E

:

:

:

:

:

:

2x

n = 3

n = 2

2x

n = 1

2x


Y 2 1s

A*, AB*...... energetic configurations /

excited states

A, AB ......Ground configuration /

ground state


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