Koinotning qurilish ashyolari

Kimyoviy elementlarning mendeleyev davriy jadvali ........................................................ 12
 
I-Bob: Kislorod – nafas elementi .......................................................................................... 13
 
II-Bob: Vodorod – eng yengil element ................................................................................ 21
 
III-Bob: Azot – jonsiz element ............................................................................................. 29
 
IV-Bob: Geliy – o‘ziga to‘q element .................................................................................... 38
 
Neon, Argon, Kripton, Ksenon ............................................................................................ 43
 
V-Bob: Uglerod – hayot elementi ........................................................................................ 45
 
VI-Bob: Kremniy – quruqlik elementi ................................................................................. 56
 
VII-Bob: Xlor – yashil element ............................................................................................. 62
 
VIII-Bob: Ftor – o‘ta faol element ....................................................................................... 67
 
Brom va Yod ........................................................................................................................ 69
 
IX-Bob: Oltingugurt – sariq element ................................................................................... 73
 
Tellur va Selen ..................................................................................................................... 78
 
X-Bob: Fosfor – yog‘dulanuvchi element ............................................................................ 80
 
Mishyak, Surma, Vismut ..................................................................................................... 83