Respuesta :

Answer:ionization energy

The ionization energy is the energy required to remove the most loosely held electron from a gaseous atom or ion.

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Ionization Energy is the Energy Required to Remove an Electron.

Element Electron Configuration First Ionization Energy IE1

Fluorine (F) [He]2s22p5 1680 kJ/mol

Explanation:

Answer: Ionization energy

Explanation:

Using the ideas from this section and the periodic table, choose the more reactive metal. Which energy level requires the most energy to remove an electron? Ionization energy is required to remove an electron from an atom.