POP (pen on paper) Exam and TMA Questions and answer

Write the electronic configuration of the first 10 element in the periodic table?

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First element in periodic table

Answer

Element Electronic configuration

  1. Hydrogen 1s¹

  2. Helium 1s²

  3. Lithium 1s² 2s¹

  4. Beryllium 1s² 2s²

  5. Boron 1s²2s²2p¹

  6. Carbon 1s²2s²2p²

  7. Nitrogen 1s²2s²2p³

  8. Oxygen 1s²2s²2p⁴

  9. Fluorine 1s²2s²2p5

  10. Neon 1s²2s²2p6

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