rend- szám | atomtömeg | magyar név | vegy- jel | olvadás- pont (°C) | forrás- pont (°C) |
sűrűség (g/cm3, gázoknál g/l, 20 °C) | elektron- konfiguráció | ionizációs energia (eV)** |
---|---|---|---|---|---|---|---|---|
1 | [1,007 84; 1,008 11] |
Hidrogén |
H | –259,34 | –252,87 | 0,082 (25 °C) |
1s1 |
13,598443 |
2 | 4,002602(2) | Hélium | He | –272,2 alatt | –268,93 | 0,164 (25 ºC) | 1s2 |
24,587387 |
3 | [6,938; 6,997] | Lítium | Li | 180,5 | 1342 | 0,534 | [He]2s1 |
5,391719 |
4 | 9,012182(3) | Berillium | Be | 1287 | 2471 | 1,848 | [He]2s2 |
9,32270 |
5 | [10,806; 10,821] |
Bór |
B | 2075 | 4000 | 2,34 | [He]2s22p1 | 8,29802 |
6 | [12,0096; 12,0116] |
Szén (gyémánt) |
C | 4440 | 3642 (szubl.) | 3,513 | [He]2s22p2 | 11,26030 |
(grafit) | 4489 | 3825 (szubl.) | 2,2 | |||||
7 | [14,006 43; 14,007 28] |
Nitrogén |
N | –210,0 | –195,798 | 1,2506 (25 °C) |
[He]2s22p3 |
14,5341 |
8 | [15,999 03; 15,999 77] |
Oxigén |
O | –218,79 | –182,953 | 1,308 (25 ºC) |
[He]2s22p4 |
13,61805 |
9 | 18,9984032(5) | Fluor | F | –219,62 | –188,12 | 1,553 (25 ºC) | [He]2s22p5 | 17,4228 |
10 | 20,1797(6) | Neon | Ne | –248,59 | –246,053 | 0,825 (25 ºC) | [He]2s22p6 | 21,56454 |
11 | 22,98976928 | Nátrium | Na | 97,794 | 882,94 | 0,971 | [Ne]3s1 |
5,139076 |
12 | [24,304; 24,307] |
Magnézium |
Mg | 650 | 1090 | 1,738 | [Ne]3s2 |
7,646235 |
13 | 26,9815386(8) | Alumínium |
Al | 660,323 | 2519 | 2,689 | [Ne]3s23p1 | 5,985768 |
14 | [28,084; 28,086] |
Szilícium |
Si | 1414 | 3265 | 2,33 (25 ºC) |
[Ne]3s23p2 |
8,15168 |
15 | 30,973762(2) | Foszfor (fehér) |
P | 44,15 | 280,5 | 1,823 | [Ne]3s23p3 | 10,48669 |
(vörös) (fekete) |
579,2 | 431 | 2,20 | |||||
610 |
2,25–2,69 | |||||||
16 | [32,059; 32,076] |
Kén (rombos) |
S | 95,3 | 444,61 | 2,07 | [Ne]3s23p4 | 10,36001 |
(monoklin) | 115,21 | 444,61 | 1,957 | |||||
17 | [35,446; 35,457] |
Klór |
Cl | –101,5 | –34,04 | 3,214 | [Ne]3s23p5 | 12,96763 |
18 | 39,948(1) | Argon | Ar | 189,35 | –185,847 | 1,7837 | [Ne]3s23p6 | 15,759610 |
19 | 39,0983(1) | Kálium | K | 63,38 | 759 | 0,862 | [Ar]4s1 |
4,3406633 |
20 | 40,078(4) | Kalcium | Ca | 842 | 1484 | 1,55 | [Ar]4s2 |
6,11316 |
21 | 44,955912(6) | Szkandium | Sc | 1541 | 2836 | 2,989 | [Ar]3d14s2 | 6,56149 |
22 | 47,867(1) | Titán | Ti | 1668 | 3287 | 4,54 | [Ar]3d24s2 | 6,82812 |
23 | 50,9415(1) | Vanádium |
V | 1910 | 3407 | 6,11 | [Ar]3d34s2 | 6,74619 |
24 | 51,9961(6) | Króm | Cr | 1907 | 2671 | 7,19 | [Ar]3d54s1 | 6,76651 |
25 | 54,938045(5) | Mangán | Mn | 1246 | 2061 | 7,43 | [Ar]3d54s2 | 7,43402 |
26 | 55,845(2) | Vas | Fe | 1538 | 2861 | 7,874 | [Ar]3d64s2 | 7,9024 |
27 | 58,933195(5) | Kobalt | Co | 1495 | 2927 | 8,9 | [Ar]3d74s2 | 7,88101 |
28 | 58,6934(2) | Nikkel | Ni | 1455 | 2913 | 8,902 | [Ar]3d84s2 | 7,6398 |
29 | 63,546(3) | Réz | Cu | 1084,62 | 2562 | 8,96 | [Ar]3d104s1 | 7,72638 |
30 | 65,409(4) | Cink | Zn | 419,53 | 907 | 7,133 | [Ar]3d104s2 | 9,394199 |
31 | 69,723(1) | Gallium | Ga | 29,76 | 2204 | 5,904 | [Ar]3d104s24p1 |
5,999301 |
32 | 72,63(1) | Germánium |
Ge | 938,25 | 2833 | 5,323 | [Ar]3d104s2 | 7,899434p2 |
33 | 74,92160(2) | Arzén (szürke) |
As | 817 | 614 (szubl.) | 5,73 | [Ar]3d104s2 4p3 |
9,7886 |
(sárga) | 1,97 | |||||||
34 | 78,96(3) | Szelén | Se | 221 | 685 | 4,79 | [Ar]3d104s2 4p4 |
9,75239 |
35 | [79,901; 79,907] |
Bróm |
Br | –7,2 | 58,8 | 3,12 | [Ar]3d104s2 4p5 |
11,8138 |
36 | 83,798(2) | Kripton | Kr | –157,36 | –153,22 | 3,733 | [Ar]3d104s2 4p6 |
13,99961 |
37 | 85,4678(3) | Rubídium |
Rb | 39,31 | 688 | 1,532 | [Kr]5s1 |
4,177128 |
38 | 87,62(1) | Stroncium | Sr | 777 | 1382 | 2,54 | [Kr]5s2 |
5,69485 |
39 | 88,90585(2) | Ittrium | Y | 1522 | 3345 | 4,469 | [Kr]4d15s2 | 6,2173 |
40 | 91,224(2) | Cirkónium |
Zr | 1855 | 4409 | 6,506 | [Kr]4d25s2 | 6,63390 |
41 | 92,90638(2) | Nióbium | Nb | 2477 | 4744 | 8,57 | [Kr]4d45s1 | 6,75885 |
42 | 95,94(2) | Molibdén |
Mo | 2623 | 4639 | 10,22 | [Kr]4d55s1 | 7,09243 |
43* |
98,9072 | Technécium |
Tc | 2157 | 4265 | 11,50 | [Kr]4d65s1 | 7,28 |
44 | 101,07(2) | Ruténium |
Ru | 2334 | 4150 | 12,41 | [Kr]4d75s1 | 7,36050 |
45 | 102,90550(2) | Ródium | Rh | 1964 | 3695 | 12,41 | [Kr]4d85s1 | 7,45890 |
46 | 106,42(1) | Palládium |
Pd | 1554,9 | 2963 | 12,02 | [Kr]4d10 |
8,3369 |
47 | 107,8682(2) | Ezüst | Ag | 961,78 | 2162 | 10,50 | [Kr]4d105s1 | 7,57623 |
48 | 112,411(8) | Kadmium | Cd | 321,07 | 767 | 8,65 | [Kr]4d105s2 | 8,99382 |
49 | 114,818(3) | Indium | In | 156,60 | 2072 | 7,31 | [Kr]4d105s2 5p1 |
5,78636 |
50 | 118,710(7) | Ón (fehér) |
Sn | 231,93 | 2602 | 7,31 | [Kr]4d105s2 5p2 |
7,34392 |
(szürke) | 5,75 | |||||||
51 | 121,760(1) | Antimon | Sb | 630,63 | 1587 | 6,691 | [Kr]4d105s2 5p3 |
8,60839 |
52 | 127,60(3) | Tellúr | Te | 449,51 | 988 | 6,24 | [Kr]4d105s2 5p4 |
9,0096 |
53 | 126,90447(3) | Jód | I | 113,7 | 184,4 | 4,93 | [Kr]4d105s2 5p5 |
10,45126 |
54 | 131,293(6) | Xenon | Xe | –111,79 | –108,12 | 5,887 | [Kr]4d105s2 5p6 |
12,12984 |
55 | 132,9054519(2) | Cézium | Cs | 28,44 | 671 | 1,873 | [Xe]6s1 |
3,893905 |
56 | 137,327(7) | Bárium | Ba | 727 | 1897 | 3,5 | [Xe]6s2 |
5,211664 |
57 | 138,90547(7) | Lantán | La | 918 | 3464 | 6,145 | [Xe]5d16s2 | 5,5769 |
58 | 140,116(1) | Cérium | Ce | 798 | 3424 | 6,770 | [Xe]4f26s2 | 5,5387 |
59 | 140,90765(2) | Prazeodímium |
Pr | 931 | 3520 | 6,773 | [Xe]4f36s2 | 5,473 |
60 | 144,242(3) | Neodímium |
Nd | 1021 | 3074 | 7,008 | [Xe]4f46s2 | 5,5250 |
61* |
145,9127 |
Promécium |
Pm | 1042 | 3000 | 7,264 | [Xe]4f56s2 | 5,582 |
62 | 150,36(2) | Szamárium |
Sm | 1074 | 1794 | 7,520 | [Xe]4f66s2 | 5,6437 |
63 | 151,964(1) | Európium |
Eu | 822 | 1596 | 5,244 | [Xe]4f76s2 | 5,67038 |
64 | 157,25(3) | Gadolínium |
Gd | 1313 | 3273 | 7,901 | [Xe]4f75d1 6s2 |
6,14980 |
65 | 158,92535(2) | Terbium | Tb | 1356 | 3230 | 8,230 | [Xe]4f96s2 | 5,8638 |
66 | 162,500(1) | Diszprózium |
Dy | 1412 | 2567 | 8,551 | [Xe]4f106s2 | 5,9389 |
67 | 164,93032(2) | Holmium | Ho | 1474 | 2700 | 8,795 | [Xe]4f116s2 | 6,0215 |
68 | 167,259(3) | Erbium | Er | 1529 | 2868 | 9,066 | [Xe]4f126s2 | 6,1077 |
69 | 168,93421(2) | Túlium | Tm | 1545 | 1950 | 9,321 | [Xe]4f136s2 | 6,18431 |
70 | 173,04(3) | Itterbium (α) |
Yb | 819 | 1196 | 6,903 | [Xe]4f146s2 | 6,25416 |
(β) | 6,966 | |||||||
71 | 174,967(1) | Lutécium |
Lu | 1656 | 3315 | 9,84 | [Xe]4f145d1 6s2 |
5,42586 |
72 | 178,49(2) | Hafnium | Hf | 2233 | 4603 | 13,31 | [Xe]4f145d2 6s2 |
6,82507 |
73 | 180,94788(2) | Tantál | Ta | 3017 | 5858 | 16,654 | [Xe]4f145d3 6s2 |
7,54957 |
74 | 183,84(1) | Volfrám | W | 3422 | 5555 | 19,3 | [Xe]4f145d4 6s2 |
7,86403 |
75 | 186,207(1) | Rénium | Re | 3186 | 5596 | 21,02 | [Xe]4f145d5 6s2 |
7,83352 |
76 | 190,23(3) | Ozmium | Os | 3033 | 5012 | 22,57 | [Xe]4f145d6 6s2 |
8,43823 |
77 | 192,217(3) | Irídium | Ir | 2446 | 4428 | 22,42 | [Xe]4f145d7 6s2 |
8,96702 |
78 | 195,084(9) | Platina | Pt | 1768,4 | 3825 | 21,45 | [Xe]4f145d9 6s1 |
8,9588 |
79 | 196,966569(4) | Arany | Au | 1064,18 | 2856 | 19,3 | [Xe]4f145d10 6s1 |
9,22553 |
80 | 200,59(2) | Higany | Hg | –38,83 | 356,73 | 13,546 | [Xe]4f145d10 6s2 |
10,4375 |
81 | [204,382; 204,385] |
Tallium | Tl | 304 | 1473 | 11,85 | [Xe]4f145d10 6s26p1 | 6,108194 |
82 | 207,2(1) | Ólom | Pb | 327,46 | 1749 | 11,35 | [Xe]4f145d10 6s26p2 | 7,41663 |
83 | 208,98040(1) | Bizmut | Bi | 271,4 | 1564 | 9,747 | [Xe]4f145d10 6s26p3 | 7,2855 |
84* |
209,9824 |
Polónium |
Po | 254 | 962 | 9,32 | [Xe]4f145d10 | 8,414 |
85* |
210,9871 |
Asztácium |
At | 300 | [Xe]4f145d10 6s26p5 | |||
86* |
222,0176 |
Radon | Rn | –71 | –61,7 | 9,73 | [Xe]4f145d10 6s26p6 | 10,7485 |
87* |
223,0197 |
Francium |
Fr | 27 | [Rn]7s1 |
4,072741 | ||
88* |
226,0254 |
Rádium |
Ra | 696 | 5 | [Rn]7s2 |
5,278423 | |
89* |
227,0277 |
Aktínium |
Ac | 1051 | 3200 | 10,07 | [Rn]6d17s2 | 5,17 |
90 | 232,03806(2) | Tórium | Th | 1750 | 4788 | 11,72 | [Rn]6d27s2 | 6,3067 |
91 | 231,03588(2) | Protaktínium |
Pa | 1572 | 15,37 | [Rn]5f26d1 7s2 |
5,89 | |
92 | 238,02891(3) | Uránium | U | 1135 | 4131 | 18,95 | [Rn]5f36d1 7s2 |
6,1941 |
93* |
237,0482 |
Neptúnium |
Np | 644 | 20,25 | [Rn]5f46d1 7s2 |
6,2657 | |
94* |
244,0642 |
Plutónium |
Pu | 640 | 3228 | 19,84 | [Rn]5f67s2 | 6,0260 |
95* |
243,0614 |
Amerícium |
Am | 1176 | 2011 | 13,67 | [Rn]5f77s2 | 5,9738 |
96* |
247,0704 |
Kûrium |
Cm | 1345 | 13,51 | [Rn]5f76d1 7s2 |
5,9914 | |
97* |
247,0703 |
Berkélium |
Bk | 1050 | 14,78 | [Rn]5f97s2 | 6,1979 | |
98* |
251,0796 |
Kalifornium |
Cf | 900 | 15,1 | [Rn]5f107s2 | 6,2817 | |
99* |
252,0830 |
Einsteinium |
Es | 860 | [Rn]5f117s2 | 6,42 | ||
100* |
257,0951 |
Fermium | Fm | 1527 | [Rn]5f127s2 | 6,50 | ||
101* |
258,0984 |
Mendelévium |
Md | 827 | [Rn]5f137s2 | 6,58 | ||
102* |
259,1010 |
Nobélium |
No | 827 | [Rn]5f147s2 | 6,65 | ||
103* |
262,1097 |
Laurencium |
Lr | 1627 | 4,9 | |||
104 |
261,1088 |
Radzerfordium |
Rf | 6,0 | ||||
105* |
262,1141 |
Dubnium | Db | |||||
106 |
266,1219 |
Szíborgium |
Sg | |||||
107* |
264,12 | Borium | Bh | |||||
108* |
277 | Hasszium | Hs | |||||
109* |
268,1388 |
Meitnerium |
Mt | |||||
110* |
271 | Darmstadtium | Ds | |||||
111* |
272,1535 |
Röntgenium |
Rg | |||||
112* |
285 | Kopernicium | Cn | |||||
113* |
293 | Ununtrium | Uut | |||||
114* |
289 | Flerovium | Fl | |||||
115* |
299 | Ununpentium | Uup | |||||
116* |
289 | Livermorium | Lv | |||||
117* |
Ununseptium | Uus | ||||||
118* |
Ununoctium | Uuo |