Q
QuestionChemistry

"Arrange the following elements in order of decreasing ionization energy: Cl, Si, P, Ar"
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Answer

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Step 1
I'll solve this problem step by step, focusing on the periodic trends of ionization energy.

Step 2
: Understand Ionization Energy

Ionization energy is the energy required to remove the outermost electron from a neutral atom in its gaseous state. It depends on two main factors: - Atomic size - Nuclear charge (number of protons)

Final Answer

Ar > Cl > P > Si