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Chemical Elements — Periodic Table - Free Download

All 118 confirmed chemical elements with atomic number, symbol, period, group, phase, atomic mass, density, melting/boiling points, electronegativity, and discovery information. Contains 119 records. Download in Excel, CSV, PDF formats.

records 20 รายการ 🏷️ Science 🕐 อัปเดต 2026-04

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  • Contains 119 records / 19 fields
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  • Data sourced from: https://github.com/Bowserinator/Periodic-Table-JSON

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⚠️ Showing first 20 of 119 records. Download the file for complete data.

Name Symbol Number Period Group Block Category Phase Atomic Mass Density Melt Boil Discovered By Named By Appearance Electron Configuration Semantic Electronegativity Pauling Summary Cpk Hex
HydrogenH111sdiatomic nonmetalGas1.0080.0898813.9920.271Henry CavendishAntoine Lavoisiercolorless gas1s12.2Hydrogen is a chemical element with chemical symbol H and atomic number 1. With an atomic weight of 1.00794 u, hydrogen is the lightest element on the periodic table. Its monatomic form (H) is the mos…ffffff
HeliumHe2118snoble gasGas4.00260220.17860.954.222Pierre Janssencolorless gas, exhibiting a red-orange glow when placed in a high-voltage electric field1s2Helium is a chemical element with symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas group in the periodic table. Its boili…d9ffff
LithiumLi321salkali metalSolid6.940.534453.651603Johan August Arfwedsonsilvery-white[He] 2s10.98Lithium (from Greek:λίθος lithos, "stone") is a chemical element with the symbol Li and atomic number 3. It is a soft, silver-white metal belonging to the alkali metal group of chemical elements. Unde…cc80ff
BerylliumBe422salkaline earth metalSolid9.012183151.8515602742Louis Nicolas Vauquelinwhite-gray metallic[He] 2s21.57Beryllium is a chemical element with symbol Be and atomic number 4. It is created through stellar nucleosynthesis and is a relatively rare element in the universe. It is a divalent element which occur…c2ff00
BoronB5213pmetalloidSolid10.812.0823494200Joseph Louis Gay-Lussacblack-brown[He] 2s2 2p12.04Boron is a metalloid chemical element with symbol B and atomic number 5. Produced entirely by cosmic ray spallation and supernovae and not by stellar nucleosynthesis, it is a low-abundance element in…ffb5b5
CarbonC6214ppolyatomic nonmetalSolid12.0111.821Ancient Egypt[He] 2s2 2p22.55Carbon (from Latin:carbo "coal") is a chemical element with symbol C and atomic number 6. On the periodic table, it is the first (row 2) of six elements in column (group) 14, which have in common the…909090
NitrogenN7215pdiatomic nonmetalGas14.0071.25163.1577.355Daniel RutherfordJean-Antoine Chaptalcolorless gas, liquid or solid[He] 2s2 2p33.04Nitrogen is a chemical element with symbol N and atomic number 7. It is the lightest pnictogen and at room temperature, it is a transparent, odorless diatomic gas. Nitrogen is a common element in the…3050f8
OxygenO8216pdiatomic nonmetalGas15.9991.42954.3690.188Carl Wilhelm ScheeleAntoine Lavoisier[He] 2s2 2p43.44Oxygen is a chemical element with symbol O and atomic number 8. It is a member of the chalcogen group on the periodic table and is a highly reactive nonmetal and oxidizing agent that readily forms com…ff0d0d
FluorineF9217pdiatomic nonmetalGas18.99840316361.69653.4885.03André-Marie AmpèreHumphry Davy[He] 2s2 2p53.98Fluorine is a chemical element with symbol F and atomic number 9. It is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. As the most electronegative e…90e050
NeonNe10218pnoble gasGas20.179760.900224.5627.104Morris Traverscolorless gas exhibiting an orange-red glow when placed in a high voltage electric field[He] 2s2 2p6Neon is a chemical element with symbol Ne and atomic number 10. It is in group 18 (noble gases) of the periodic table. Neon is a colorless, odorless, inert monatomic gas under standard conditions, wit…b3e3f5
SodiumNa1131salkali metalSolid22.9897692820.968370.9441156.09Humphry Davysilvery white metallic[Ne] 3s10.93Sodium /ˈsoʊdiəm/ is a chemical element with symbol Na (from Ancient Greek Νάτριο) and atomic number 11. It is a soft, silver-white, highly reactive metal. In the Periodic table it is in column 1 (alk…ab5cf2
MagnesiumMg1232salkaline earth metalSolid24.3051.7389231363Joseph Blackshiny grey solid[Ne] 3s21.31Magnesium is a chemical element with symbol Mg and atomic number 12. It is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column (Group 2, or alka…8aff00
AluminiumAl13313ppost-transition metalSolid26.981538572.7933.472743Humphry Davysilvery gray metallic[Ne] 3s2 3p11.61Aluminium (or aluminum; see different endings) is a chemical element in the boron group with symbol Al and atomic number 13. It is a silvery-white, soft, nonmagnetic, ductile metal. Aluminium is the t…bfa6a6
SiliconSi14314pmetalloidSolid28.0852.32916873538Jöns Jacob BerzeliusThomas Thomson (chemist)crystalline, reflective with bluish-tinged faces[Ne] 3s2 3p21.9Silicon is a chemical element with symbol Si and atomic number 14. It is a tetravalent metalloid, more reactive than germanium, the metalloid directly below it in the table. Controversy about silicon'…f0c8a0
PhosphorusP15315ppolyatomic nonmetalSolid30.97376199851.823Hennig Brandcolourless, waxy white, yellow, scarlet, red, violet, black[Ne] 3s2 3p32.19Phosphorus is a chemical element with symbol P and atomic number 15. As an element, phosphorus exists in two major forms—white phosphorus and red phosphorus—but due to its high reactivity, phosphorus…ff8000
SulfurS16316ppolyatomic nonmetalSolid32.062.07388.36717.8Ancient chinalemon yellow sintered microcrystals[Ne] 3s2 3p42.58Sulfur or sulphur (see spelling differences) is a chemical element with symbol S and atomic number 16. It is an abundant, multivalent non-metal. Under normal conditions, sulfur atoms form cyclic octat…ffff30
ChlorineCl17317pdiatomic nonmetalGas35.453.2171.6239.11Carl Wilhelm Scheelepale yellow-green gas[Ne] 3s2 3p53.16Chlorine is a chemical element with symbol Cl and atomic number 17. It also has a relative atomic mass of 35.5. Chlorine is in the halogen group (17) and is the second lightest halogen following fluor…1ff01f
ArgonAr18318pnoble gasGas39.94811.78483.8187.302Lord Rayleighcolorless gas exhibiting a lilac/violet glow when placed in a high voltage electric field[Ne] 3s2 3p6Argon is a chemical element with symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third most common gas in the Earth's atmosphere, at 0.934% (9,…80d1e3
PotassiumK1941salkali metalSolid39.098310.862336.71032Humphry Davysilvery gray[Ar] 4s10.82Potassium is a chemical element with symbol K (derived from Neo-Latin, kalium) and atomic number 19. It was first isolated from potash, the ashes of plants, from which its name is derived. In the Peri…8f40d4
CalciumCa2042salkaline earth metalSolid40.07841.5511151757Humphry Davy[Ar] 4s21Calcium is a chemical element with symbol Ca and atomic number 20. Calcium is a soft gray alkaline earth metal, fifth-most-abundant element by mass in the Earth's crust. The ion Ca2+ is also the fifth…3dff00
Source: https://github.com/Bowserinator/Periodic-Table-JSON Last updated: 2026-04