Here is a list of the first fifty elements on the periodic table along with their symbols and common valence states:
| Atomic Number | Element Name | Symbol | Common Valence | |---------------|---------------------|--------|----------------| | 1 | Hydrogen | H | +1 | | 2 | Helium | He | 0 | | 3 | Lithium | Li | +1 | | 4 | Beryllium | Be | +2 | | 5 | Boron | B | +3 | | 6 | Carbon | C | +4, -4 | | 7 | Nitrogen | N | -3, +3, +5 | | 8 | Oxygen | O | -2 | | 9 | Fluorine | F | -1 | | 10 | Neon | Ne | 0 | | 11 | Sodium | Na | +1 | | 12 | Magnesium | Mg | +2 | | 13 | Aluminum | Al | +3 | | 14 | Silicon | Si | +4, -4 | | 15 | Phosphorus | P | -3, +3, +5 | | 16 | Sulfur | S | -2, +4, +6 | | 17 | Chlorine | Cl | -1, +1, +3, +5, +7 | | 18 | Argon | Ar | 0 | | 19 | Potassium | K | +1 | | 20 | Calcium | Ca | +2 | | 21 | Scandium | Sc | +3 | | 22 | Titanium | Ti | +2, +3, +4 | | 23 | Vanadium | V | +2, +3, +4, +5 | | 24 | Chromium | Cr | +2, +3, +6 | | 25 | Manganese | Mn | +2, +4, +7 | | 26 | Iron | Fe | +2, +3 | | 27 | Cobalt | Co | +2, +3 | | 28 | Nickel | Ni | +2, +3 | | 29 | Copper | Cu | +1, +2 | | 30 | Zinc | Zn | +2 | | 31 | Gallium | Ga | +3 | | 32 | Germanium | Ge | +4, -4 | | 33 | Arsenic | As | -3, +3, +5 | | 34 | Selenium | Se | -2, +4, +6 | | 35 | Bromine | Br | -1, +1, +5 | | 36 | Krypton | Kr | 0 | | 37 | Rubidium | Rb | +1 | | 38 | Strontium | Sr | +2 | | 39 | Yttrium | Y | +3 | | 40 | Zirconium | Zr | +4 | | 41 | Niobium | Nb | +3, +5 | | 42 | Molybdenum | Mo | +2, +3, +4, +5, +6 | | 43 | Technetium | Tc | +4, +7 | | 44 | Ruthenium | Ru | +2, +3, +4, +6, +8 | | 45 | Rhodium | Rh | +1, +3 | | 46 | Palladium | Pd | +2, +4 | | 47 | Silver | Ag | +1 | | 48 | Cadmium | Cd | +2 | | 49 | Indium | In | +1, +3 | | 50 | Tin | Sn | +2, +4 |
Please note that many elements can exhibit multiple valence states depending on their chemical environment. For simplicity, the most common or stable oxidation states are listed.