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  • 4.9. The Periodic Table Helps Us Predict Properties of Elements

4.9. The Periodic Table Helps Us Predict Properties of Elements

Chapter 4: Subatomic Particles

Periodic Trends

Periodic trends are found with elements that have similar electron configurations, thus causing the elements to have similar physical and chemical properties. Graphics of the shell model are used to explain inner-shell shielding and effective nuclear charge. Duration: 7:00

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Atomic Size

Using the concepts of inner shell shielding and effective nuclear charge, periodic trends such as atomic size are explained. Duration: 5:28.

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Ionization Energy

Another periodic trend is ionization energy, which is the amount of energy required to pull an electron away from an atom. The greater the effective nuclear charge, the more energy it will take to pull an electron away. Duration: 6:44

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Flash Cards, CC, Chapter 4

Vocabulary Flash Cards for Conceptual Chemistry, Chapter 4.

 

 

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