Periodesystem vun den Elementer
D'Periodesystem vun den Elementer oder einfach PSE weist all cheemesch Elementer, gruppéiert no der Uerdnungszuel.
| Grupp | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
| I | II | III | IV | V | VI | VII | VIII | ||||||||||||
| Period | |||||||||||||||||||
| 1 | 1 H |
2 He | |||||||||||||||||
| 2 | 3 Li |
4 Be |
5 B |
6 C |
7 N |
8 O |
9 F |
10 Ne | |||||||||||
| 3 | 11 Na |
12 Mg |
13 Al |
14 Si |
15 P |
16 S |
17 Cl |
18 Ar | |||||||||||
| 4 | 19 K |
20 Ca |
21 Sc |
22 Ti |
23 V |
24 Cr |
25 Mn |
26 Fe |
27 Co |
28 Ni |
29 Cu |
30 Zn |
31 Ga |
32 Ge |
33 As |
34 Se |
35 Br |
36 Kr | |
| 5 | 37 Rb |
38 Sr |
39 Y |
40 Zr |
41 Nb |
42 Mo |
43 Tc |
44 Ru |
45 Rh |
46 Pd |
47 Ag |
48 Cd |
49 In |
50 Sn |
51 Sb |
52 Te |
53 I |
54 Xe | |
| 6 | 55 Cs |
56 Ba |
* | 71 Lu |
72 Hf |
73 Ta |
74 W |
75 Re |
76 Os |
77 Ir |
78 Pt |
79 Au |
80 Hg |
81 Tl |
82 Pb |
83 Bi |
84 Po |
85 At |
86 Rn |
| 7 | 87 Fr |
88 Ra |
** | 103 Lr |
104 Rf |
105 Db |
106 Sg |
107 Bh |
108 Hs |
109 Mt |
110 Ds |
111 Rg |
112 Cn |
113 Nh |
114 Fl |
115 Mc |
116 Lv |
117 Ts |
118 Og |
| Lanthanoiden | * | 57 La |
58 Ce |
59 Pr |
60 Nd |
61 Pm |
62 Sm |
63 Eu |
64 Gd |
65 Tb |
66 Dy |
67 Ho |
68 Er |
69 Tm |
70 Yb |
||
| Actinoiden | ** | 89 Ac |
90 Th |
91 Pa |
92 U |
93 Np |
94 Pu |
95 Am |
96 Cm |
97 Bk |
98 Cf |
99 Es |
100 Fm |
101 Md |
102 No |
| Alkalimetaller | Erdalkalimetaller | Lanthanoiden | Actinoiden | Iwwergangsmetaller |
| Metaller | Metalloïden | Net-Metaller | Halogenen | Eedelgasen |
Dëse System ass periodesch, well all d'Atomer aus enger Kolonn (vun 1 bis 18) änlech cheemesch Eegenschaften hunn.
Geschicht
[änneren | Quelltext änneren]Um Ufank vum 19. Joerhonnert huet de Johann Wolfgang Döbereiner als Éischten den Zesummenhang tëscht der Atommass an de cheemeschen Eegenschafte vu verschiddenen Elementer festgestallt. De Periodesystem selwer gouf 1869 quasi onofhängeg vunenaner vum Mendelejew a vum Lothar Meyer opgestallt.
Um Spaweck
[änneren | Quelltext änneren]- Periodesystem vun den Elementer (fr) an (nl)
- D'cheemesch Elementer (fr)
- Biller vun de cheemeschen Elementer (de)
- IUPAC (offiziell Periodesystem) (en)
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