💡 Key Takeaways

  • Access comprehensive data for all 118 chemical elements.
  • Explore key properties like atomic mass, electronegativity, and electron configuration.
  • Download ready-to-use data for chemistry studies and scientific research.
  • Leverage structured information for educational and development projects.

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Showing 20 of 118

⚠️ Showing first 20 of 118 records. Download the file for complete data.

Atomic Number Symbol Element Name Atomic Mass Category Group Period Block Electron Configuration Electronegativity Density (g/cm³)
1HHydrogen1.008Nonmetal11s1s¹2.20.00009
2HeHelium4.003Noble Gas181s1s²0.00018
3LiLithium6.941Alkali Metal12s[He] 2s¹0.980.534
4BeBeryllium9.012Alkaline Earth22s[He] 2s²1.571.85
5BBoron10.81Metalloid132p[He] 2s² 2p¹2.042.34
6CCarbon12.01Nonmetal142p[He] 2s² 2p²2.552.27
7NNitrogen14.01Nonmetal152p[He] 2s² 2p³3.040.00125
8OOxygen16Nonmetal162p[He] 2s² 2p⁴3.440.00143
9FFluorine19Halogen172p[He] 2s² 2p⁵3.980.0017
10NeNeon20.18Noble Gas182p[He] 2s² 2p⁶0.0009
11NaSodium22.99Alkali Metal13s[Ne] 3s¹0.930.971
12MgMagnesium24.31Alkaline Earth23s[Ne] 3s²1.311.738
13AlAluminium26.98Post-transition Metal133p[Ne] 3s² 3p¹1.612.7
14SiSilicon28.09Metalloid143p[Ne] 3s² 3p²1.92.33
15PPhosphorus30.97Nonmetal153p[Ne] 3s² 3p³2.191.82
16SSulfur32.07Nonmetal163p[Ne] 3s² 3p⁴2.582.07
17ClChlorine35.45Halogen173p[Ne] 3s² 3p⁵3.160.00321
18ArArgon39.95Noble Gas183p[Ne] 3s² 3p⁶0.00178
19KPotassium39.1Alkali Metal14s[Ar] 4s¹0.820.862
20CaCalcium40.08Alkaline Earth24s[Ar] 4s²11.54

🔧 Use Cases

  • Import the CSV file into your SQL database or Python script to analyze elemental trends and build chemistry applications.
  • Use the Excel file to filter elements by category, group, or block, create custom charts, and prepare reports for chemistry lessons.
  • Print the PDF version for a clear, offline reference chart in classrooms, labs, or for quick study guides.
  • Leverage this comprehensive dataset for educational content creation, scientific simulations, or academic research on material properties.
Source: Various sources Last updated: 2025-12-28