3 The Periodic - The Periodic Table Chapter 3 Name Ahmad Munir Bin Mohamad Office FOSEE Building ACR 2001 Email [email protected] Ext 3078 a

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
The Periodic Table Chapter 3 Name: Ahmad Munir Bin Mohamad Office: FOSEE Building, ACR 2001 Email: [email protected] Ext. 3078
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
- a chart in which elements having similar chemical and physical properties are grouped together. - 3 categories: metal (majority); nonmetal (17 elements); and metalloid (8 elements) - placed in order of increasing atomic number - divided into groups (vertical column) and period (horizontal rows) alkali metals alkaline earth metals halogens noble gases
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
ns 1 2 np 3 4 5 6 d 10 4f 5f Outermost Electron Configurations of the Elements in Ground State d – transition element Representative element Representative element F – transition element
Background image of page 4
Classification of the Elements
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Order of orbitals (filling) in multi-electron atom 1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p < 5s < 4d < 5p < 6s
Background image of page 6
Electron Configurations of Cations and Anions Na [Ne]3s 1 Na + [Ne] Ca [Ar]4s 2 Ca 2+ [Ar] Al [Ne]3s 2 3p 1 Al 3+ [Ne] Atoms lose electrons so that cation has a noble-gas outer electron configuration. H 1s 1 H - 1s 2 or [He] F 1s 2 2s 2 2p 5 F - 1s 2 2s 2 2p 6 or [Ne] O 1s 2 2s 2 2p 4 O 2- 1s 2 2s 2 2p 6 or [Ne] N 1s 2 2s 2 2p 3 N 3- 1s 2 2s 2 2p 6 or [Ne] Atoms gain electrons so that anion has a noble-gas outer electron configuration. Of Representative Elements
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
+1 +2 +3 -1 -2 -3 Cations and Anions Of Representative Elements
Background image of page 8
+ : [Ne] Al 3+ : [Ne] F - : 1s 2 2s 2 2p 6 or [Ne] O 2- : 1s 2 2s 2 2p 6 or [Ne] N 3- : 1s 2 2s 2 2p 6 or [Ne ] Na + , Al 3+ , F - , O 2- , and N 3- are all having the same electron Configuration
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/10/2010 for the course CHM CHM101 taught by Professor Woljaong during the Fall '07 term at Multimedia University, Cyberjaya.

Page1 / 28

3 The Periodic - The Periodic Table Chapter 3 Name Ahmad Munir Bin Mohamad Office FOSEE Building ACR 2001 Email [email protected] Ext 3078 a

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online