Credentialing Specialist - Study guides, Class notes & Summaries

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EDEXCEL A LEVEL 2023 CHEMISTRY
  • Exam (elaborations)

    EDEXCEL A LEVEL 2023 CHEMISTRY

  • (ii) Explain which of chromium or calcium most easily forms a +2 ion using all of the data in the table. - correct answersCalcium forms 2+ more readily as the sum of 1 and 2 ionisation energies are lower Calcium has a lower nucleur charge So less attraction between outer electrons and nucleus (ii) Give a reason why the silver nitrate must be acidified. 1 - correct answersTo remove the carbonate ions 2 Chemists often use the term 'orbital' when considering atomic structure. (a) Stat...
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EDEXCEL A LEVEL 2023 CHEMISTRY
  • Exam (elaborations)

    EDEXCEL A LEVEL 2023 CHEMISTRY

  • (ii) Explain which of chromium or calcium most easily forms a +2 ion using all of the data in the table. - correct answersCalcium forms 2+ more readily as the sum of 1 and 2 ionisation energies are lower Calcium has a lower nucleur charge So less attraction between outer electrons and nucleus (ii) Give a reason why the silver nitrate must be acidified. 1 - correct answersTo remove the carbonate ions 2 Chemists often use the term 'orbital' when considering atomic structure. (a) Stat...
  • WORLDLIGHT
    $8.49 More Info
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