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which of the following elements has the highest ionization energy?

Chemistry
WAEC 2019

which of the following elements has the highest ionization energy?

  • A. Calcium
  • B. Chlorine
  • C. Flourine
  • D. Magnesium
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Correct Answer: Option C
Explanation

The ionisation energy is the minimum energy required to remove the most loosely bound electron of an isolated gaseous atom, positive ion, or molecule.

Fluorine has the highest ionization energy when assessed through the trend on the periodic table.

 


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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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