GOB Chemistry

Learn the toughest concepts covered in your GOB - General, Organic, and Biological Chemistry class with step-by-step video tutorials and practice problems.

Ionic Compounds

Periodic Trend: Ionization Energy (Simplified)

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Ionization Energy is the energy required to remove an electron from a gaseous atom or ion. 

Ionization Energy

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concept

Periodic Trend: Ionization Energy (Simplified) Concept 1

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Periodic Trend: Ionization Energy (Simplified) Concept 2

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Moving towards the top right corner of the Periodic Table causes ionization energy to increase.

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Periodic Trend: Ionization Energy (Simplified) Example 1

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Problem

Rank the following elements in order of increasing ionization energy:Br, F, Ga, K and Se.

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Problem

Which of the following elements would lose an electron the easiest?

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Problem

Which element from Group 7A has lowest ionization energy.

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Problem

Which of the following has the highest ionization energy?