Printable worksheet for learning electron configurations in chemistry.

Electron Configurations Worksheet with fill-in-the-blank questions and chemical symbols for practice.

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1. lithium: 1s²2s¹
2. oxygen: 1s²2s²2p⁴
3. calcium: 1s²2s²2p⁶3s²3p⁶4s²
4. nitrogen: 1s²2s²2p³
5. neon: 1s²2s²2p⁶
6. hydrogen: 1s¹
7. boron: 1s²2s²2p¹
8. magnesium: 1s²2s²2p⁶3s²
9. helium: 1s²
10. aluminum: 1s²2s²2p⁶3s²3p¹
11. sodium: 1s²2s²2p⁶3s¹
12. argon: 1s²2s²2p⁶3s²3p⁶
13. carbon: 1s²2s²2p²
14. fluorine: 1s²2s²2p⁵
15. potassium: 1s²2s²2p⁶3s²3p⁶4s¹
16. 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²: strontium (Sr)
17. 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²: barium (Ba)
18. 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²4f¹⁴5d¹⁰6p⁶7s²: radium (Ra)
19. 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²4f¹⁴5d¹⁰6p⁶7s²5f¹⁴6d¹⁰7p⁶: oganesson (Og)

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