Science
Chemical Elements
30 notable chemical elements with symbol, atomic number, category, discovery year, and common uses.
chemistryelementsscienceperiodic table
30 of 30 rows
Element↕ | Symbol↕ | Atomic Number↕ | Category↕ | Discovered↕ | Common Use↕ |
|---|---|---|---|---|---|
| Hydrogen | H | 1 | nonmetal | 1,766 | Rocket fuel, water, ammonia production |
| Helium | He | 2 | noble gas | 1,868 | Balloons, cryogenics, MRI machines |
| Carbon | C | 6 | nonmetal | -3,750 | Organic chemistry, diamonds, steel production |
| Nitrogen | N | 7 | nonmetal | 1,772 | Fertilizers, food preservation, explosives |
| Oxygen | O | 8 | nonmetal | 1,774 | Breathing, combustion, steelmaking, water |
| Neon | Ne | 10 | noble gas | 1,898 | Neon signs, lasers, cryogenic refrigerant |
| Sodium | Na | 11 | metal | 1,807 | Table salt, street lights, soap making |
| Aluminum | Al | 13 | metal | 1,825 | Cans, foil, aircraft construction, packaging |
| Silicon | Si | 14 | metalloid | 1,824 | Computer chips, glass, solar cells |
| Phosphorus | P | 15 | nonmetal | 1,669 | Fertilizers, matches, detergents |
| Sulfur | S | 16 | nonmetal | -2,000 | Sulfuric acid, rubber vulcanization, gunpowder |
| Chlorine | Cl | 17 | nonmetal | 1,774 | Water purification, PVC, bleach |
| Argon | Ar | 18 | noble gas | 1,894 | Welding shielding, light bulbs, windows |
| Potassium | K | 19 | metal | 1,807 | Fertilizers, soap, glass making |
| Calcium | Ca | 20 | metal | 1,808 | Cement, bones/teeth, steel refining |
| Iron | Fe | 26 | metal | -5,000 | Steel, construction, automobiles, tools |
| Copper | Cu | 29 | metal | -9,000 | Electrical wiring, plumbing, electronics |
| Zinc | Zn | 30 | metal | 1,746 | Galvanizing steel, batteries, sunscreen |
| Germanium | Ge | 32 | metalloid | 1,886 | Fiber optics, semiconductors, infrared optics |
| Silver | Ag | 47 | metal | -5,000 | Jewelry, photography, electronics, silverware |
| Tin | Sn | 50 | metal | -3,500 | Tin cans, solder, bronze alloys |
| Gold | Au | 79 | metal | -6,000 | Jewelry, electronics, currency, dentistry |
| Mercury | Hg | 80 | metal | -1,500 | Thermometers (historical), fluorescent lamps |
| Lead | Pb | 82 | metal | -7,000 | Batteries, radiation shielding, weights |
| Uranium | U | 92 | metal | 1,789 | Nuclear energy, weapons, medical isotopes |
| Platinum | Pt | 78 | metal | 1,735 | Catalytic converters, jewelry, laboratory equipment |
| Titanium | Ti | 22 | metal | 1,791 | Aerospace, medical implants, pigments |
| Lithium | Li | 3 | metal | 1,817 | Batteries (Li-ion), mood stabilizers, ceramics |
| Nickel | Ni | 28 | metal | 1,751 | Stainless steel, coins, batteries, plating |
| Xenon | Xe | 54 | noble gas | 1,898 | Headlights, anesthetics, ion propulsion engines |
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