Question

Write the first fifty elements their symbols and their Valence in a table from

Answer 1

Here is a table listing the first fifty elements, their symbols, and their typical valence:

| Atomic Number | Element | Symbol | Valence |
|---------------|---------------|--------|------------|
| 1 | Hydrogen | H | +1, -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 |
| 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 | +5, -3 |
| 16 | Sulfur | S | +6, -2 |
| 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 | +4, +3, +2 |
| 23 | Vanadium | V | +5, +4, +3, +2 |
| 24 | Chromium | Cr | +6, +3, +2 |
| 25 | Manganese | Mn | +7, +4, +2 |
| 26 | Iron | Fe | +3, +2 |
| 27 | Cobalt | Co | +3, +2 |
| 28 | Nickel | Ni | +2, +3 |
| 29 | Copper | Cu | +2, +1 |
| 30 | Zinc | Zn | +2 |
| 31 | Gallium | Ga | +3 |
| 32 | Germanium | Ge | +4, +2 |
| 33 | Arsenic | As | +5, +3, -3 |
| 34 | Selenium | Se | +6, -2 |
| 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 | +5, +4, +3 |
| 42 | Molybdenum | Mo | +6, +5, +4, +3 |
| 43 | Technetium | Tc | +7, +4 |
| 44 | Ruthenium | Ru | +4, +3 |
| 45 | Rhodium | Rh | +3 |
| 46 | Palladium | Pd | +2, +4 |
| 47 | Silver | Ag | +1 |
| 48 | Cadmium | Cd | +2 |
| 49 | Indium | In | +3 |
| 50 | Tin | Sn | +4, +2 |

Please note that some elements can exhibit multiple valences depending on the chemical context.