| |
| Li | ˳ , . |
| Na | : 1) , ; 2) , ; 3) , , . |
| K | : 1) ; 2) ; 3) . 90% , : NO3 ( ), KCl NaCl (), KCl MgSO4 6H2O (), , KCl K2SO4; , K2CO3 K2Mg(SO4)2. |
| Rb | , . |
| Cs | |
| Fr |
-
34
Ҳ -
|
| ω , % | ( ) |
| Cu | 0,01 | ; CuFeS2 ([ ); Cu2S ( ); Cu(OH)2 CuCO3 () |
| Ag | 1*10-5 | ; Ag2S ( ); Ag3SbS3 (); Ag3AsS3 () |
| Au | 1,6*10-7 | ; AuTe2 (); (AuAg)Te (); (AgAu)Te2 () |
35
Ͳ Ҳ
| Cu | Ag | Au | |
| (% ) | 63 (69,1) 65 (30,9) | 107 (51,35) 109 (48,65) | 197 (100) |
| , | 7,7264 | 7,5763 | 9,2258 |
| , | 1,8 | 1,301 | 2,3086 |
| 1,75 | 1,42 | 1,42 | |
| +1; +2; +3 | +1; +2; +3 | +1; +3 |
36
Ͳ Բ-ղ̲Ͳ Ҳ
| Cu | Ag | Au | |
| ( ) | ( ) | ||
| , ρ, /3 (293 ) | 8,96 | 10,5 | 19,32 |
| , 0 | 1083,6 | 962,08 | 1064,58 |
| , 0 | |||
| ³ | 57,5 | 54,6 | 42,0 |
ղ̲Ͳ Ҳ Ҳ -B
37
ֲ
| , | ||
| E | ||
| H2, | ||
| Hal, t | Cu → CuHal2 (Hal = F, Cl, Br), CuI Ag → AgHal2, AgHal (Hal = Cl, Br, I) Au → AuHal3 (Hal = F, Cl, Br), AuI | |
| O2, t | Cu → CuO (t= 5000C), Cu2O (t ≥8000C) | |
| S, t | Cu → Cu2S Ag → Ag2S Au → | |
| N2 | ||
| P, t | Cu → Cu3P Ag → AgP2, AgP3 Au → Au2P3 | |
| C |
|
|
|
38
