Iz Wikipedije, proste enciklopedije
Kemični simbol |
Ime |
Zaporedna številka |
Atomska masa |
Gostota pri 20°C |
Tališce |
Vrelišče |
Leto odkritja |
Odkritelj |
Ac |
aktinij |
89 |
227,0278 g/mol |
10,07 g/cm3 |
1047 °C |
3197 °C |
1899 |
Debierne |
Ag |
srebro |
47 |
107,8682 g/mol |
10,49 g/cm3 |
961,9 °C |
2212 °C |
pazgodovinski |
neznan |
Al |
aluminij |
13 |
26,981539 g/mol |
2,70 g/cm3 |
660,5 °C |
2467 °C |
1825 |
Oersted |
Am |
americij |
95 |
243,0614 g/mol |
13,67 g/cm3 |
994 °C |
2607 °C |
1944 |
Seaborg |
Ar |
argon |
18 |
39,948 g/mol |
1,66 g/l |
-189,4 °C |
-185,9 °C |
1894 |
Ramsay in Rayleigh |
As |
arzen |
33 |
74,92159 g/mol |
5,72 g/cm3 |
613 °C |
613 (sublimiran) °C |
ca. 1250 |
Albertus Magnus |
At |
astat |
85 |
209,9871 g/mol |
|
302 °C |
337 °C |
1940 |
Corson in MacKenzie |
Au |
zlato |
79 |
196,96654 g/mol |
19,32 g/cm3 |
1064,4 °C |
2940 °C |
prazgodovinski |
neznan |
B |
bor |
5 |
10,811 g/mol |
2,46 g/cm3 |
2300 °C |
2550 °C |
1808 |
Davy in Gay-Lussac |
Ba |
barij |
56 |
137,327 g/mol |
3,65 g/cm3 |
725 °C |
1640 °C |
1808 |
Davy |
Be |
berilij |
4 |
9,012182 g/mol |
1,85 g/cm3 |
1278 °C |
2970 °C |
1797 |
Vauquelin |
Bh |
bohrij |
107 |
262,1229 g/mol |
|
|
|
1976 |
Oganessian |
Bi |
bizmut |
83 |
208,98037 g/mol |
9,80 g/cm3 |
271,4 °C |
1560 °C |
1540 |
Agricola |
Bk |
berkelij |
97 |
247,0703 g/mol |
13,25 g/cm3 |
986 °C |
|
1949 |
Seaborg |
Br |
brom |
35 |
79,904 g/mol |
3,14 g/cm3 |
-7,3 °C |
58,8 °C |
1826 |
Balard |
C |
ogljik |
6 |
12,011 g/mol |
3,51 g/cm3 |
3550 °C |
4827 °C |
prazgodovinski |
neznan |
Ca |
kalcij |
20 |
40,078 g/mol |
1,54 g/cm3 |
839 °C |
1487 °C |
1808 |
Davy |
Cd |
kadmij |
48 |
112,411 g/mol |
8,64 g/cm3 |
321 °C |
765 °C |
1817 |
Stromeyer in Hermann |
Ce |
cerij |
58 |
140,115 g/mol |
6,77 g/cm3 |
798 °C |
3257 °C |
1803 |
von Hisinger in Berzelius |
Cf |
kalifornij |
98 |
251,0796 g/mol |
15,1 g/cm3 |
900 °C |
|
1950 |
Seaborg |
Cl |
klor |
17 |
35,4527 g/mol |
2,95 g/l |
-34,6 °C |
-101 °C |
1774 |
Scheele |
Cm |
kirij |
96 |
247,0703 g/mol |
13,51 g/cm3 |
1340 °C |
|
1944 |
Seaborg |
Co |
kobalt |
27 |
58,9332 g/mol |
8,89 g/cm3 |
1495 °C |
2870 °C |
1735 |
Brandt |
Cr |
krom |
24 |
51,9961 g/mol |
7,14 g/cm3 |
1857 °C |
2482 °C |
1797 |
Vauquelin |
Cs |
cezij |
55 |
132,90543 g/mol |
1,90 g/cm3 |
28,4 °C |
690 °C |
1860 |
Kirchhoff in Bunsen |
Cu |
baker |
29 |
63,546 g/mol |
8,92 g/cm3 |
1083,5 °C |
2595 °C |
prazgodovinski |
neznan |
Db |
dubnij |
105 |
262,1138 g/mol |
|
|
|
1967/70 |
Flerow oder Ghiorso |
Ds |
darmstadtij |
110 |
269 g/mol |
|
|
|
1994 |
Gesellschaft für Schwerionenforschung |
Dy |
disprozij |
66 |
162,5 g/mol |
8,56 g/cm3 |
1409 °C |
2335 °C |
1886 |
Lecoq de Boisbaudran |
Er |
erbij |
68 |
167,26 g/mol |
9,05 g/cm3 |
1522 °C |
2510 °C |
1842 |
Mosander |
Es |
ajnštajnij |
99 |
252,0829 g/mol |
|
860 °C |
|
1952 |
Seaborg |
Eu |
evropi |
63 |
151,965 g/mol |
5,25 g/cm3 |
822 °C |
1597 °C |
1901 |
Demaçay |
F |
fluor |
9 |
18,9984032 g/mol |
1,58 g/l |
-219,6 °C |
-188,1 °C |
1886 |
Moissan |
Fe |
železo |
26 |
55,847 g/mol |
7,87 g/cm3 |
1535 °C |
2750 °C |
prazgodovinski |
neznan |
Fm |
fermij |
100 |
257,0951 g/mol |
|
|
|
1952 |
Seaborg |
Fr |
francij |
87 |
223,0197 g/mol |
|
27 °C |
677 °C |
1939 |
Perey |
Ga |
galij |
31 |
69,723 g/mol |
5,91 g/cm3 |
29,8 °C |
2403 °C |
1875 |
Lecoq de Boiskaudran |
Gd |
gadolinij |
64 |
157,25 g/mol |
7,89 g/cm3 |
1311 °C |
3233 °C |
1880 |
de Marignac |
Ge |
germanij |
32 |
72,61 g/mol |
5,32 g/cm3 |
937,4 °C |
2830 °C |
1886 |
Winkler |
H |
vodik |
1 |
1,00794 g/mol |
0,084 g/l |
-259,1 °C |
-252,9 °C |
1766 |
Cavendish |
He |
helij |
2 |
4,002602 g/mol |
0,17 g/l |
-272,2 °C |
-268,9 °C |
1895 |
Ramsay in Cleve |
Hf |
hafnij |
72 |
178,49 g/mol |
13,31 g/cm3 |
2150 °C |
5400 °C |
1923 |
Coster in vón Hevesy |
Hg |
živo srebro |
80 |
200,59 g/mol |
13,55 g/cm3 |
-38,9 °C |
356,6 °C |
prazgodovinski |
neznan |
Ho |
holmij |
67 |
164,93032 g/mol |
8,78 g/cm3 |
1470 °C |
2720 °C |
1878 |
Soret |
Hs |
hassij |
108 |
265 g/mol |
|
|
|
1984 |
Gesellschaft für Schwerionenforschung |
I |
jod |
53 |
126,90447 g/mol |
4,94 g/cm3 |
113,5 °C |
184,4 °C |
1811 |
Courtois |
In |
indij |
49 |
114,82 g/mol |
7,31 g/cm3 |
156,2 °C |
2080 °C |
1863 |
Reich in Richter |
Ir |
iridij |
77 |
192,22 g/mol |
22,65 g/cm3 |
2410 °C |
4130 °C |
1803 |
Tenant in ndere |
K |
kalij |
19 |
39,0983 g/mol |
0,86 g/cm3 |
63,7 °C |
774 °C |
1807 |
Davy |
Kr |
kripton |
36 |
83,8 g/mol |
3,48 g/l |
-156,6 °C |
-152,3 °C |
1898 |
Ramsay in Travers |
La |
lantan |
57 |
138,9055 g/mol |
6,16 g/cm3 |
920 °C |
3454 °C |
1839 |
Mosander |
Li |
litij |
3 |
6,941 g/mol |
0,53 g/cm3 |
180,5 °C |
1317 °C |
1817 |
Arfvedson |
Lr |
lavrencij |
103 |
260,1053 g/mol |
|
|
|
1961 |
Ghiorso |
Lu |
lutecij |
71 |
174,967 g/mol |
9,84 g/cm3 |
1656 °C |
3315 °C |
1907 |
Urbain |
Md |
mendelevij |
101 |
258,0986 g/mol |
|
|
|
1955 |
Seaborg |
Mg |
magnezij |
12 |
24,305 g/mol |
1,74 g/cm3 |
648,8 °C |
1107 °C |
1755 |
Black |
Mn |
mangan |
25 |
54,93805 g/mol |
7,44 g/cm3 |
1244 °C |
2097 °C |
1774 |
Gahn |
Mo |
molibden |
42 |
95,94 g/mol |
10,28 g/cm3 |
2617 °C |
5560 °C |
1778 |
Scheele |
Mt |
meitnerij |
109 |
266 g/mol |
|
|
|
1982 |
Gesellschaft für Schwerionenforschung |
N |
dušik |
7 |
14,00674 g/mol |
1,17 g/l |
-209,9 °C |
-195,8 °C |
1772 |
Rutherford |
Na |
natrij |
11 |
22,989768 g/mol |
0,97 g/cm3 |
97,8 °C |
892 °C |
1807 |
Davy |
Nb |
niobij |
41 |
92,90638 g/mol |
8,58 g/cm3 |
2468 °C |
4927 °C |
1801 |
Hatchet |
Nd |
neodim |
60 |
144,24 g/mol |
7,00 g/cm3 |
1010 °C |
3127 °C |
1895 |
von Welsbach |
Ne |
neon |
10 |
20,1797 g/mol |
0,84 g/l |
-248,7 °C |
-246,1 °C |
1898 |
Ramsay in Travers |
Ni |
nikelj |
28 |
58,69 g/mol |
8,91 g/cm3 |
1453 °C |
2732 °C |
1751 |
Cronstedt |
No |
nobelij |
102 |
259,1009 g/mol |
|
|
|
1958 |
Seaborg |
Np |
neptunij |
93 |
237,0482 g/mol |
20,48 g/cm3 |
640 °C |
3902 °C |
1940 |
McMillan in Abelson |
O |
kisik |
8 |
15,9994 g/mol |
1,33 g/l |
-218,4 °C |
-182,9 °C |
1774 |
Priestley in Scheele |
Os |
osmij |
76 |
190,2 g/mol |
22,61 g/cm3 |
3045 °C |
5027 °C |
1803 |
Tenant |
P |
fosfor |
15 |
30,973762 g/mol |
1,82 g/cm3 |
44 (P4) °C |
280 (P4) °C |
1669 |
Brandt |
Pa |
protaktinij |
91 |
231,0359 g/mol |
15,37 g/cm3 |
1554 °C |
4030 °C |
1917 |
Soddy, Cranston in Hahn |
Pb |
svinec |
82 |
207,2 g/mol |
11,34 g/cm3 |
327,5 °C |
1740 °C |
prazgodovinski |
neznan |
Pd |
paladij |
46 |
106,42 g/mol |
12,02 g/cm3 |
1552 °C |
3140 °C |
1803 |
Wollaston |
Pm |
prometij |
61 |
146,9151 g/mol |
7,22 g/cm3 |
1080 °C |
2730 °C |
1945 |
Marinsky in Glendenin |
Po |
polonij |
84 |
208,9824 g/mol |
9,20 g/cm3 |
254 °C |
962 °C |
1898 |
Marie in Pierre Curie |
Pr |
prazeodim |
59 |
140,90765 g/mol |
6,48 g/cm3 |
931 °C |
3212 °C |
1895 |
von Welsbach |
Pt |
platina |
78 |
195,08 g/mol |
21,45 g/cm3 |
1772 °C |
3827 °C |
1557 |
Scaliger |
Pu |
plutonij |
94 |
244,0642 g/mol |
19,74 g/cm3 |
641 °C |
3327 °C |
1940 |
Seaborg |
Ra |
radij |
88 |
226,0254 g/mol |
5,50 g/cm3 |
700 °C |
1140 °C |
1898 |
Marie in Pierre Curie |
Rb |
rubidij |
37 |
85,4678 g/mol |
1,53 g/cm3 |
39 °C |
688 °C |
1861 |
Bunsen in Kirchhoff |
Re |
renij |
75 |
186,207 g/mol |
21,03 g/cm3 |
3180 °C |
5627 °C |
1925 |
Noddack, Tacke in Berg |
Rf |
rutherfordij |
104 |
261,1087 g/mol |
|
|
|
1964/69 |
Flerow oder Ghiorso |
Rg |
roentgenij |
111 |
272 g/mol |
|
|
|
1994 |
Gesellschaft für Schwerionenforschung |
Rh |
rodij |
45 |
102,9055 g/mol |
12,41 g/cm3 |
1966 °C |
3727 °C |
1803 |
Wollaston |
Rn |
radon |
86 |
222,0176 g/mol |
9,23 g/l |
-71 °C |
-61,8 °C |
1900 |
Dorn |
Ru |
rutenij |
44 |
101,07 g/mol |
12,45 g/cm3 |
2310 °C |
3900 °C |
1844 |
Claus |
S |
žveplo |
16 |
32,066 g/mol |
2,06 g/cm3 |
113 °C |
444,7 °C |
prazgodovinski |
neznan |
Sb |
antimon |
51 |
121,75 g/mol |
6,69 g/cm3 |
630,7 °C |
1750 °C |
prazgodovinski |
neznan |
Sc |
skandij |
21 |
44,95591 g/mol |
2,99 g/cm3 |
1539 °C |
2832 °C |
1879 |
Nilson |
Se |
selen |
34 |
78,96 g/mol |
4,82 g/cm3 |
217 °C |
685 °C |
1817 |
Berzelius |
Sg |
seaborgij |
106 |
263,1182 g/mol |
|
|
|
1974 |
Oganessian |
Si |
silicij |
14 |
28,0855 g/mol |
2,33 g/cm3 |
1410 °C |
2355 °C |
1824 |
Berzelius |
Sm |
samarij |
62 |
150,36 g/mol |
7,54 g/cm3 |
1072 °C |
1778 °C |
1879 |
Lecoq de Boisbaudran |
Sn |
kositer |
50 |
118,71 g/mol |
7,29 g/cm3 |
232 °C |
2270 °C |
prazgodovinski |
neznan |
Sr |
stroncij |
38 |
87,62 g/mol |
2,63 g/cm3 |
769 °C |
1384 °C |
1790 |
Crawford |
Ta |
tantal |
73 |
180,9479 g/mol |
16,68 g/cm3 |
2996 °C |
5425 °C |
1802 |
Ekeberg |
Tb |
terbij |
65 |
158,92534 g/mol |
8,25 g/cm3 |
1360 °C |
3041 °C |
1843 |
Mosander |
Tc |
tehnecij |
43 |
98,9063 g/mol |
11,49 g/cm3 |
2172 °C |
5030 °C |
1937 |
Perrier in Segrè |
Te |
telurij |
52 |
127,6 g/mol |
6,25 g/cm3 |
449,6 °C |
990 °C |
1782 |
von Reichenstein |
Th |
torij |
90 |
232,0381 g/mol |
11,72 g/cm3 |
1750 °C |
4787 °C |
1829 |
Berzelius |
Ti |
titan |
22 |
47,88 g/mol |
4,51 g/cm3 |
1660 °C |
3260 °C |
1791 |
Gregor in Klaproth |
Tl |
talij |
81 |
204,3833 g/mol |
11,85 g/cm3 |
303,6 °C |
1457 °C |
1861 |
Crookes |
Tm |
tulij |
69 |
168,93421 g/mol |
9,32 g/cm3 |
1545 °C |
1727 °C |
1879 |
Cleve |
U |
uran |
92 |
238,0289 g/mol |
18,97 g/cm3 |
1132,4 °C |
3818 °C |
1789 |
Klaproth |
Uub |
ununbij |
112 |
277 g/mol |
|
|
|
1996 |
Gesellschaft für Schwerionenforschung |
Uuh |
ununheksij |
116 |
|
|
|
|
|
|
Uuo |
ununoktij |
118 |
|
|
|
|
|
|
Uup |
ununpentij |
115 |
|
|
|
|
|
|
Uuq |
ununquadij |
114 |
|
|
|
|
|
|
Uus |
ununseptij |
117 |
|
|
|
|
|
|
Uut |
ununtrij |
113 |
|
|
|
|
|
|
V |
vanadij |
23 |
50,9415 g/mol |
6,09 g/cm3 |
1890 °C |
3380 °C |
1801 |
del Rio |
W |
volfram |
74 |
183,85 g/mol |
19,26 g/cm3 |
3407 °C |
5927 °C |
1783 |
Gebrüder de Elhuyar |
Xe |
ksenon |
54 |
131,29 g/mol |
4,49 g/l |
-111,9 °C |
-107 °C |
1898 |
Ramsay in Travers |
Y |
itrij |
39 |
88,90585 g/mol |
4,47 g/cm3 |
1523 °C |
3337 °C |
1794 |
Gadolin |
Yb |
iterbij |
70 |
173,04 g/mol |
6,97 g/cm3 |
824 °C |
1193 °C |
1878 |
de Marignac |
Zn |
cink |
30 |
65,39 g/mol |
7,14 g/cm3 |
419,6 °C |
907 °C |
prazgodovinski |
neznan |
Zr |
cirkonij |
40 |
91,224 g/mol |
6,51 g/cm3 |
1852 °C |
4377 °C |
1789 |
Klaproth |
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