Identifierare
Detta är en lista över alla grundämnen i det periodiska systemet med deras symboler och identifierare. Klicka på en kolumnrubrik för att sortera tabellen efter den kolumnen, eller klicka på ett grundämnesnamn för att se detaljerade fakta om grundämnet.
| Nr | Tecken | Grundämne | CAS | EC | PubChem CID | ChemSpider |
|---|---|---|---|---|---|---|
| 1 | H | Väte | 1333-74-0 | 215-605-7 | 783 | 4515072 |
| 2 | He | Helium | 7440-59-7 | 231-168-5 | 23987 | 22423 |
| 3 | Li | Litium | 7439-93-2 | 231-102-5 | 3028194 | 2293625 |
| 4 | Be | Beryllium | 7440-41-7 | 231-150-7 | 5460467 | 4573986 |
| 5 | B | Bor | 7440-42-8 | 231-151-2 | 5462311 | 4575371 |
| 6 | C | Kol | 7440-44-0 | 231-153-3 | 5462310 | 4575370 |
| 7 | N | Kväve | 7727-37-9 | 231-783-9 | 947 | 20473555 |
| 8 | O | Syre | 7782-44-7 | 231-956-9 | 977 | 140526 |
| 9 | F | Fluor | 7782-41-4 | 231-954-8 | 24524 | 4514530 |
| 10 | Ne | Neon | 7440-01-9 | 231-110-9 | 23935 | 22377 |
| 11 | Na | Natrium | 7440-23-5 | 231-132-9 | 5360545 | 4514534 |
| 12 | Mg | Magnesium | 7439-95-4 | 231-104-6 | 5462224 | 4575328 |
| 13 | Al | Aluminium | 7429-90-5 | 231-072-3 | 5359268 | 4514248 |
| 14 | Si | Kisel | 7440-21-3 | 231-130-8 | 5461123 | 4574465 |
| 15 | P | Fosfor | 7723-14-0 | 231-768-7 | 5462309 | 4575369 |
| 16 | S | Svavel | 7704-34-9 | 231-722-6 | 5362487 | 4515054 |
| 17 | Cl | Klor | 7782-50-5 | 231-959-5 | 24526 | 4514529 |
| 18 | Ar | Argon | 7440-37-1 | 231-147-0 | 23968 | 22407 |
| 19 | K | Kalium | 7440-09-7 | 231-119-8 | 5462222 | 4575326 |
| 20 | Ca | Kalcium | 7440-70-2 | 231-179-5 | 5460341 | 4573905 |
| 21 | Sc | Skandium | 7440-20-2 | 231-129-2 | 23952 | 22392 |
| 22 | Ti | Titan | 7440-32-6 | 231-142-3 | 23963 | 22402 |
| 23 | V | Vanadin | 7440-62-2 | 231-171-1 | 23990 | 22426 |
| 24 | Cr | Krom | 7440-47-3 | 231-157-5 | 23976 | 22412 |
| 25 | Mn | Mangan | 7439-96-5 | 231-105-1 | 23930 | 22372 |
| 26 | Fe | Järn | 7439-89-6 | 231-096-4 | 23925 | 22368 |
| 27 | Co | Kobolt | 7440-48-4 | 231-158-0 | 104730 | 94547 |
| 28 | Ni | Nickel | 7440-02-0 | 231-111-4 | 935 | 910 |
| 29 | Cu | Koppar | 7440-50-8 | 231-159-6 | 23978 | 22414 |
| 30 | Zn | Zink | 7440-66-6 | 231-175-3 | 23994 | 22430 |
| 31 | Ga | Gallium | 7440-55-3 | 231-163-8 | 5360835 | 4514603 |
| 32 | Ge | Germanium | 7440-56-4 | 231-164-3 | 6326954 | 4885606 |
| 33 | As | Arsenik | 7440-38-2 | 231-148-6 | 5359596 | 4514330 |
| 34 | Se | Selen | 7782-49-2 | 231-957-4 | 6326970 | 4885617 |
| 35 | Br | Brom | 7726-95-6 | 231-778-1 | 24408 | 4514586 |
| 36 | Kr | Krypton | 7439-90-9 | 231-098-5 | 5416 | 5223 |
| 37 | Rb | Rubidium | 7440-17-7 | 231-126-6 | 5357696 | 4512975 |
| 38 | Sr | Strontium | 7440-24-6 | 231-133-4 | 5359327 | 4514263 |
| 39 | Y | Yttrium | 7440-65-5 | 231-174-8 | 23993 | 22429 |
| 40 | Zr | Zirkonium | 7440-67-7 | 231-176-9 | 23995 | 22431 |
| 41 | Nb | Niob | 7440-03-1 | 231-113-5 | 23936 | 22378 |
| 42 | Mo | Molybden | 7439-98-7 | 231-107-2 | 23932 | 22374 |
| 43 | Tc | Teknetium | 7440-26-8 | 231-136-0 | 23957 | 22396 |
| 44 | Ru | Rutenium | 7440-18-8 | 231-127-1 | 23950 | 22390 |
| 45 | Rh | Rodium | 7440-16-6 | 231-125-0 | 23948 | 22389 |
| 46 | Pd | Palladium | 7440-05-3 | 231-115-6 | 23938 | 22380 |
| 47 | Ag | Silver | 7440-22-4 | 231-131-3 | 23954 | 22394 |
| 48 | Cd | Kadmium | 7440-43-9 | 231-152-8 | 23973 | 22410 |
| 49 | In | Indium | 7440-74-6 | 231-180-0 | 5359967 | 4514408 |
| 50 | Sn | Tenn | 7440-31-5 | 231-141-8 | 5352426 | 4509318 |
| 51 | Sb | Antimon | 7440-36-0 | 231-146-5 | 5354495 | 4510681 |
| 52 | Te | Tellur | 13494-80-9 | 236-813-4 | 6327182 | 4885717 |
| 53 | I | Jod | 7553-56-2 | 231-442-4 | 807 | 4514549 |
| 54 | Xe | Xenon | 7440-63-3 | 231-172-7 | 23991 | 22427 |
| 55 | Cs | Cesium | 7440-46-2 | 231-155-4 | 5354618 | 4510778 |
| 56 | Ba | Barium | 7440-39-3 | 231-149-1 | 5355457 | 4511436 |
| 57 | La | Lantan | 7439-91-0 | 231-099-0 | 23926 | 22369 |
| 58 | Ce | Cerium | 7440-45-1 | 231-154-9 | 23974 | 22411 |
| 59 | Pr | Praseodym | 7440-10-0 | 231-120-3 | 23942 | 22384 |
| 60 | Nd | Neodym | 7440-00-8 | 231-109-3 | 23934 | 22376 |
| 61 | Pm | Prometium | 7440-12-2 | 231-121-9 | 23944 | 22386 |
| 62 | Sm | Samarium | 7440-19-9 | 231-128-7 | 23951 | 22391 |
| 63 | Eu | Europium | 7440-53-1 | 231-161-7 | 23981 | 22417 |
| 64 | Gd | Gadolinium | 7440-54-2 | 231-162-2 | 23982 | 22418 |
| 65 | Tb | Terbium | 7440-27-9 | 231-137-6 | 23958 | 22397 |
| 66 | Dy | Dysprosium | 7429-91-6 | 231-073-9 | 23912 | 22355 |
| 67 | Ho | Holmium | 7440-60-0 | 231-169-0 | 23988 | 22424 |
| 68 | Er | Erbium | 7440-52-0 | 231-160-1 | 23980 | 22416 |
| 69 | Tm | Tulium | 7440-30-4 | 231-140-2 | 23961 | 22400 |
| 70 | Yb | Ytterbium | 7440-64-4 | 231-173-2 | 23992 | 22428 |
| 71 | Lu | Lutetium | 7439-94-3 | 231-103-0 | 23929 | 22371 |
| 72 | Hf | Hafnium | 7440-58-6 | 231-166-4 | 23986 | 22422 |
| 73 | Ta | Tantal | 7440-25-7 | 231-135-5 | 23956 | 22395 |
| 74 | W | Volfram | 7440-33-7 | 231-143-9 | 23964 | 22403 |
| 75 | Re | Rhenium | 7440-15-5 | 231-124-5 | 23947 | 22388 |
| 76 | Os | Osmium | 7440-04-2 | 231-114-0 | 23937 | 22379 |
| 77 | Ir | Iridium | 7439-88-5 | 231-095-9 | 23924 | 22367 |
| 78 | Pt | Platina | 7440-06-4 | 231-116-1 | 23939 | 22381 |
| 79 | Au | Guld | 7440-57-5 | 231-165-9 | 23985 | 22421 |
| 80 | Hg | Kvicksilver | 7439-97-6 | 231-106-7 | 23931 | 22373 |
| 81 | Tl | Tallium | 7440-28-0 | 231-138-1 | 5359464 | 4514293 |
| 82 | Pb | Bly | 7439-92-1 | 231-100-4 | 5352425 | 4509317 |
| 83 | Bi | Vismut | 7440-69-9 | 231-177-4 | 5359367 | 4514266 |
| 84 | Po | Polonium | 7440-08-6 | 231-118-2 | 6328143 | 4886482 |
| 85 | At | Astat | 7440-68-8 | - | 5460480 | 4573995 |
| 86 | Rn | Radon | 10043-92-2 | 233-146-0 | 24857 | 23240 |
| 87 | Fr | Francium | 7440-73-5 | - | 6328145 | 4886484 |
| 88 | Ra | Radium | 7440-14-4 | 231-122-4 | 6328144 | 4886483 |
| 89 | Ac | Aktinium | 7440-34-8 | - | 23965 | 22404 |
| 90 | Th | Torium | 7440-29-1 | 231-139-7 | 23960 | 22399 |
| 91 | Pa | Protaktinium | 7440-13-3 | 616-087-9 | 23945 | 22387 |
| 92 | U | Uran | 7440-61-1 | 231-170-6 | 23989 | 22425 |
| 93 | Np | Neptunium | 7439-99-8 | 231-108-8 | 23933 | 22375 |
| 94 | Pu | Plutonium | 7440-07-5 | 231-108-8 | 23940 | 22382 |
| 95 | Am | Americium | 7440-35-9 | 231-144-4 | 23966 | 22405 |
| 96 | Cm | Curium | 7440-51-9 | - | 23979 | 22415 |
| 97 | Bk | Berkelium | 7440-40-6 | - | 23971 | 22409 |
| 98 | Cf | Californium | 7440-71-3 | - | 23997 | 22433 |
| 99 | Es | Einsteinium | 7429-92-7 | - | 23913 | 22356 |
| 100 | Fm | Fermium | 7440-72-4 | - | 23998 | 22434 |
| 101 | Md | Mendelevium | 7440-11-1 | - | 23943 | 22385 |
| 102 | No | Nobelium | 10028-14-5 | - | 24822 | 23207 |
| 103 | Lr | Lawrencium | 22537-19-5 | - | 31192 | 28934 |
| 104 | Rf | Rutherfordium | 53850-36-5 | - | 56951715 | 11201447 |
| 105 | Db | Dubnium | 53850-35-4 | - | 56951718 | - |
| 106 | Sg | Seaborgium | 54038-81-2 | - | 56951717 | - |
| 107 | Bh | Bohrium | 54037-14-8 | - | 56951713 | - |
| 108 | Hs | Hassium | 54037-57-9 | - | 56951714 | - |
| 109 | Mt | Meitnerium | 54038-01-6 | - | 56951716 | - |
| 110 | Ds | Darmstadtium | 54083-77-1 | - | 135476787 | - |
| 111 | Rg | Röntgenium | 54386-24-2 | - | 135476786 | - |
| 112 | Cn | Copernicium | 54084-26-3 | - | 135476785 | - |
| 113 | Nh | Nihonium | 54084-70-7 | - | - | - |
| 114 | Fl | Flerovium | 54085-16-4 | - | - | - |
| 115 | Mc | Moskovium | 54085-64-2 | - | - | - |
| 116 | Lv | Livermorium | 54100-71-9 | - | - | - |
| 117 | Ts | Tenness | 87658-56-8 | - | - | - |
| 118 | Og | Oganesson | 54144-19-3 | - | - | - |