Element name Element symbol Atomic number Hydrogen H 1 Helium He 2 Lithium Li 3 Beryllium Be 4 Boron B 5 Carbon C. Start studying 1 - 30 Atomic Number. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Atomic Number: 29 Valency = 2, 1 30)Zinc(Zn) Atomic Number: 30 Valency = 2 Hard Worker!, Well written!:) Fuschia Fuschia 1) Hydrogen (H) Atomic Number - 1. Hydrogen -1 Helium-4 Lithium = 7 Beryllium = 9 Boron = 11 Carbon = 12 Nitrogen = 14 Oxygen = 16 Fluorine = 19 Neon = 20 Sodium = 23 Magnesium = 24 Aluminum = 27 Silicon = 28 Phosphorus =31 Sulfur = 32 Chlorine =35 Argon = 40 Potassium = 39 Calcium.
List of first 50 elements of the periodic table by atomic number including the chemical symbol and the atomic weight. You can print the list of elements by hitting the print button below.
Atomic Number | Chemical Symbol | Element Name | Atomic Weight (u) |
---|---|---|---|
1 | H | Hydrogen | 1.008 |
2 | He | Helium | 4.002602 |
3 | Li | Lithium | 6.94 |
4 | Be | Beryllium | 9.0121831 |
5 | B | Boron | 10.81 |
6 | C | Carbon | 12.011 |
7 | N | Nitrogen | 14.007 |
8 | O | Oxygen | 15.999 |
9 | F | Fluorine | 18.99840316 |
10 | Ne | Neon | 20.1797 |
11 | Na | Sodium | 22.98976928 |
12 | Mg | Magnesium | 24.305 |
13 | Al | Aluminium | 26.9815385 |
14 | Si | Silicon | 28.085 |
15 | P | Phosphorus | 30.973762 |
16 | S | Sulfur | 32.06 |
17 | Cl | Chlorine | 35.45 |
18 | Ar | Argon | 39.948 |
19 | K | Potassium | 39.0983 |
20 | Ca | Calcium | 40.078 |
21 | Sc | Scandium | 44.955908 |
22 | Ti | Titanium | 47.867 |
23 | V | Vanadium | 50.9415 |
24 | Cr | Chromium | 51.9961 |
25 | Mn | Manganese | 54.938044 |
26 | Fe | Iron | 55.845 |
27 | Co | Cobalt | 58.933194 |
28 | Ni | Nickel | 58.6934 |
29 | Cu | Copper | 63.546 |
30 | Zn | Zinc | 65.38 |
31 | Ga | Gallium | 69.723 |
32 | Ge | Germanium | 72.63 |
33 | As | Arsenic | 74.921595 |
34 | Se | Selenium | 78.971 |
35 | Br | Bromine | 79.904 |
36 | Kr | Krypton | 83.798 |
37 | Rb | Rubidium | 85.4678 |
38 | Sr | Strontium | 87.62 |
39 | Y | Yttrium | 88.90584 |
40 | Zr | Zirconium | 91.224 |
41 | Nb | Niobium | 92.90637 |
42 | Mo | Molybdenum | 95.95 |
43 | Tc | Technetium | 98 |
44 | Ru | Ruthenium | 101.07 |
45 | Rh | Rhodium | 102.9055 |
46 | Pd | Palladium | 106.42 |
47 | Ag | Silver | 107.8682 |
48 | Cd | Cadmium | 112.414 |
49 | In | Indium | 114.818 |
50 | Sn | Tin | 118.71 |