Page 137 - MATERIAL SCIENCE AND ENGINEERING PART 1

Atomic bonding 1 2 3 4
3

Ionic bond Covalent bond Metallic bond

-
-

+ - - + The remaining non-
valence electrons and

- atomic nuclei form
-
ion cores, which

+ - + - + posses positive charge

- equal to the total

- - + - + - valence electron

+ - + - - + negative charge per

- - - atom.
- + - + - electron sea

+ - + - - + 122

Politeknik Ibrahim Sultan