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Alkaalimetalen san cheemisk elementen uun det 1. skööl faan't periodensüsteem. Uk weederstoof stäänt uun't 1. skööl, det as oober nian metal.
Tekst üüb Öömrang |
Skööl | 1 |
Hoodskööl | 1 |
Periode | |
2 | 3 Li |
3 | 11 Na |
4 | 19 K |
5 | 37 Rb |
6 | 55 Cs |
7 | 87 Fr |
(8) | (119) Uue |
Tu detdiar skööl hiar Liitsium, Naatrium, Kaalium, Rubiidium, Tseesium an Frantsium. Det san salwern skürnin metalen mä ian elektron uun't bütjenst elektroonenskel.
Alkaalimetal | Atoommase (u) |
Smoltponkt (K) |
Köögponkt (K) |
Sachthaid (g/cm³) |
Elektronegatiwiteet (Pauling-Skala) |
---|---|---|---|---|---|
Liitsium | 6,941 | 453 | 1615 | 0,534 | 0,98 |
Naatrium | 22,990 | 370 | 1156 | 0,968 | 0,93 |
Kaalium | 39,098 | 336 | 1032 | 0,89 | 0,82 |
Rubiidium | 85,468 | 312 | 961 | 1,532 | 0,82 |
Tseesium | 132,905 | 301 | 944 | 1,93 | 0,79 |
Frantsium | (223) | 295 | 950 | 1,87 | 0,70 |
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