Elemen Dengan Nomor Atomnya
Nomor atom menentukan jumlah proton yang ditemukan dalam inti suatu unsur.
Jumlah total proton dan neutron (ditemukan di inti) dihitung sebagai nomor massa atom.
Tabel berikut mengilustrasikan beberapa unsur penting dengan nomor atom, massa atom, dan simbolnya -
| Elemen | Nomor atom | Massa Atom (g mol-1) | Simbol |
|---|---|---|---|
| Hidrogen | 1 | 1.0079 | H. |
| Helium | 2 | 4.00 | Dia |
| Litium | 3 | 6.94 | Li |
| Berilium | 4 | 9.01 | Menjadi |
| Boron | 5 | 10.81 | B |
| Karbon | 6 | 12.01 | C |
| Nitrogen | 7 | 14.0067 | N |
| Oksigen | 8 | 16.00 | HAI |
| Fluor | 9 | 19.00 | F |
| Neon | 10 | 20.1797 | Ne |
| Sodium | 11 | 22,989768 | Na |
| Magnesium | 12 | 24.3050 | Mg |
| Aluminium | 13 | 26,981539 | Al |
| Silicon | 14 | 28.0855 | Si |
| Fosfor | 15 | 30,973762 | P. |
| Sulfur | 16 | 32.066 | S |
| Klorin | 17 | 35.4527 | Cl |
| Argon | 18 | 39.948 | Ar |
| Kalium | 19 | 39.0983 | K |
| Kalsium | 20 | 40.078 | Ca |
| Scandlum | 21 | 44.955910 | Sc |
| Titanium | 22 | 47.867 | Ti |
| Vanadium | 23 | 50.9415 | V. |
| Chromium | 24 | 51.9961 | Kr |
| Mangan | 25 | 54.93805 | M N |
| Besi | 26 | 55.845 | Fe |
| Kobalt | 27 | 58.93320 | Bersama |
| Nikel | 28 | 58.6934 | Ni |
| Tembaga | 29 | 63.546 | Cu |
| Seng | 30 | 65.39 | Zn |
| Gallium | 31 | 69.723 | Ga |
| Germanium | 32 | 72.61 | Ge |
| Arsenik | 33 | 74.92159 | Sebagai |
| Selenium | 34 | 78.96 | Se |
| Brom | 35 | 79.904 | Br |
| Krypton | 36 | 83.80 | Kr |
| Rubidium | 37 | 85.4678 | Rb |
| Stronsium | 38 | 87.62 | Sr. |
| Yttrium | 39 | 88.90585 | Y |
| Zirkonium | 40 | 91.224 | Zr |
| Niobium | 41 | 92.90638 | Nb |
| Molibdenum | 42 | 95.94 | Mo |
| Teknesium | 43 | 97.9072 | Te |
| Ruthenium | 44 | 101.07 | Ru |
| Rhodium | 45 | 102.90550 | Rh |
| Paladium | 46 | 106.42 | Pd |
| Perak | 47 | 107.8682 | Ag |
| Kadmium | 48 | 112.411 | CD |
| Indium | 49 | 114.818 | Di |
| Timah | 50 | 118.710 | Sn |
| Antimony | 51 | 121.760 | Sb |
| Telurium | 52 | 127.60 | Te |
| Yodium | 53 | 126.90447 | saya |
| Xenon | 54 | 131.29 | Xe |
| Sesium | 55 | 132.90543 | Cs |
| Barium | 56 | 137.327 | Ba |
| Lanthanum | 57 | 138.9055 | La |
| Cerium | 58 | 140.115 | Ce |
| Praseodymium | 59 | 140.90765 | Pr |
| Neodymium | 60 | 144.24 | Nd |
| Promethium | 61 | 144.9127 | Sore |
| Samarium | 62 | 150.36 | Sm |
| Europium | 63 | 151.965 | Eu |
| Gadolinium | 64 | 157.25 | Gd |
| Terbium | 65 | 158.92534 | Tb |
| Disprosium | 66 | 162.50 | Dy |
| Holmium | 67 | 164.93032 | Ho |
| Erbium | 68 | 167.26 | Er |
| Thulium | 69 | 168.93421 | Tm |
| Ytterbium | 70 | 173.04 | Yb |
| Lutetium | 71 | 174.967 | Lu |
| Hafnium | 72 | 178.49 | HF |
| Tantalum | 73 | 180.9479 | Ta |
| Tungsten | 74 | 183,84 | W |
| Renium | 75 | 186.207 | Kembali |
| Osmium | 76 | 190.23 | Os |
| Iridium | 77 | 192.217 | Ir |
| Platinum | 78 | 195.08 | Pt |
| Emas | 79 | 196,96654 | Au |
| Air raksa | 80 | 200,59 | HG |
| Talium | 81 | 204.3833 | Tl |
| Memimpin | 82 | 207.2 | Pb |
| Bismut | 83 | 208.98037 | Dua |
| Polonium | 84 | 208,9824 | Po |
| Astatin | 85 | 209.9871 | At |
| Radon | 86 | 222.0176 | Rn |
| Francium | 87 | 223.0197 | Fr |
| Radium | 88 | 226.0254 | Ra |
| Actinium | 89 | 227.0278 | Ac |
| Thorium | 90 | 232.0381 | Th |
| Protactinium | 91 | 231.0388 | Pa |
| Uranium | 92 | 238.0289 | U |
| Neptunium | 93 | 237.0482 | Np |
| Plutonium | 94 | 244.0642 | Pu |
| Americium | 95 | 243.0614 | Am |
| Curium | 96 | 247.0703 | Cm |
| Berkelium | 97 | 247.0703 | Bk |
| Californium | 98 | 251.0796 | Cf |
| Einsteinium | 99 | 252.083 | Es |
| Fermium | 100 | 257.0951 | Fm |
| Mendelevium | 101 | 258.10 | Md |
| Nobelium | 102 | 259.1009 | No |
| Lawrencium | 103 | 262.11 | Lr |
| Unnilquadium | 104 | 261.11 | Unq |
| Unnilpentium | 105 | 262.114 | Unp |
| Unnilhexium | 106 | 263.118* | Unh |
| Unnilseptium | 107 | 262.12 | Uns |