Question

Which element has the fourth highest ionization energy?

Answer 1

Answer:

Ionization Energy Name chemical element Symbol

3,8939 Cesium Cs

4,0727 Francium Fr

4,1771 Rubidium Rb

4,3407 Potassium K

Explanation:

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Answer 2

Answer:

Nitrogen

Explanation:

as the order is fluorine, chlorine, oxygen, nitrogen