1 / 15

Q u a n t u m N u m b e r s

Q u a n t u m N u m b e r s. M r B o h r w a n t s t o k n o w. Q u a n t u m N u m b e r s. Q u a n t u m n u m b e r s a r e u s e d t o d e s c r i b e t h e e l e c t r o n s i n a n a t o m.

ollie
Download Presentation

Q u a n t u m N u m b e r s

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Q u a n t u m N u m b e r s M r B o h r w a n t s t o k n o w

  2. Q u a n t u m N u m b e r s Q u a n t u m n u m b e r s a r e u s e d t o d e s c r i b e t h e e l e c t r o n s i n a n a t o m .

  3. P r i n c i p a l Q u a n t u m N u m b e r - n • D e s c r i b e s t h e e n e r g y l e v e l . • E n e r g y l e v e l s 1 t o 7. • T h e m a x i m u m n u m b e r o f e l e c t r o n s i n n i s 2 n 2 .

  4. S e c o n d Q u a n t u m N u m b e r - l • D e s c r i b e s t h e s u b l e v e l i n n . • s - p - d - f s u b l e v e l s • E a c h e n e r g y l e v e l h a s n s u b l e v e l s .

  5. S e c o n d Q u a n t u m N u m b e r - l S u b l e v e l s o f d i f f e r e n t e n e r g y l e v e l s m a y h a v e o v e r l a p p i n g e n e r g i e s . T h i s i s s h o w n o n t h e P e r i o d i c T a b l e .

  6. T h i r d Q u a n t u m N u m b e r - m • D e s c r i b e s t h e o r b i t a l w i t h i n a s u b l e v e l . • s h a s 1 o r b i t a l p h a s 3 o r b i t a l s d h a s 5 o r b i t a l s f h a s 7 o r b i t a l s • W h a t i n d i c a t e s o r b i t a l s o n t h e P e r i o d i c T a b l e ?

  7. T h i r d Q u a n t u m N u m b e r - m • O r b i t a l s m a y c o n t a i n 1 o r 2 e l e c t r o n s . • m a l s o d e s c r i b e s t h e d i r e c t i o n i n s p a c e . • P o s s i b l e d i r e c t i o n s a r e - 1 t o + 1 .

  8. F o u r t h Q u a n t u m N u m b e r - s • D e s c r i b e s t h e s p i n o f t h e e l e c t r o n . • E l e c t r o n s i n t h e s a m e o r b i t a l m u s t h a v e o p p o s i t e s p i n s . • P o s s i b l e s p i n s a r e c l o c k w i s e , + 1 / 2 , a n d c o u n t e r c l o c k w i s e , - 1 / 2 .

  9. P a u l i E x c l u s i o n P r i n c i p l e N o t w o e l e c t r o n s i n a n a t o m h a v e t h e s a m e s e t o f f o u r q u a n t u m n u m b e r s .

  10. E l e c t r o n C o n f i g u r a t i o n • 1s2 2s2 2p6 3s2 3p5 • T h e l a r g e # i s t h e e l e c t r o n e n e r g y l e v e l . • T h e s m a l l l e t t e r i s t h e s u b l e v e l . • T h e s u p e r s c r i p t i s t h e n u m b e r o f e l e c t o n s i n t h e s u b l e v e l . • R e a d t h i s f r o m t h e T a b l e .

  11. E l e c t r o n C o n f i g u r a t i o n • 1s2 2s2 2p6 3s2 3p6 4s2 3d3 • 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d9 • W r i t e t h e e - c o n f. f o r B r o m i n e . • W r i t e t h e e - c o n f. f o r L a n t h a n u m .

  12. H u n d ‘ s R u l e E l e c t r o n s w i l l e n t e r e m p t y o r b i t a l s o f e q u a l e n e r g y w h e n t h e y a r e a v a i l a b l e .

  13. He 1 st Ionization Energy 24 22 20 18 16 14 12 10 8 6 4 2 E l e c t r o n V o l t s Ne F Ar N C P O H Be Cl Mg S B Si Al Na Li 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Atomic Number

  14. M r . S c h r o e d i n g e r h a s l o s t h i s c a t !

  15. E n d Q u a n t u m N u m b e r s

More Related