'Effective nuclear charge increases' presentation slideshows

2.06k views • 174 slides

Periodic Properties of the Elements

Periodic Properties of the Elements. The Periodic Table. The modern periodic table was developed in 1872 by Dmitri Mendeleev (1834-1907). A similar table was also developed independently by Julius Meyer (1830-1895).

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Section 14.2 Periodic Trends

Section 14.2 Periodic Trends. OBJECTIVES: Interpret group trends in atomic radii, ionic radii, ionization energies, and electronegativities. Interpret period trends in atomic radii, ionic radii, ionization energies, and electronegativities. Trends in Atomic Size.

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CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES OF ELEMENTS-2

CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES OF ELEMENTS-2. BY- A.P.S. BHADOURIYA M.Sc. , B.Ed., NET PGT-CHEMISTRY K.V. BARABANKI. Periodic Properties. Periodic Trends in Physical Properties Shielding effect & Effective Nuclear Charge Atomic Radius Ionic Radius

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Interatomic B o nding (or Binding)

Interatomic B o nding (or Binding). Each bonding mechanism between the atoms in a solid is a result of the electrostatic interaction s between the nuclei & the electrons .

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Periodic Properties

Periodic Properties. By- A.P.S. BHADOURIYA M.Sc. (L.U.), B.Ed. NET (CSIR-UGC) Qualified. Periodic Properties. Periodic Trends in Physical Properties Shielding effect & Effective Nuclear Charge Atomic Radius Ionic Radius Ionization Enthalpy Electron Gain Enthalpy Electronegativity.

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Chapter 5 The Periodic Law

Chapter 5 The Periodic Law. Adapted from krawchyk.sswiki.com. Organizing the Periodic Table. In a grocery store, the products are grouped according to similar characteristics. With a logical classification system, finding and comparing products is easy.

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Chapter 10

Chapter 10. Periodic Trends Density Atomic and Ionic Radii. Density. Iridium (Z = 77) has the highest density. We can predict that an element is more dense if it is closer to Iridium. Density. Effective Nuclear Charge (Z eff ).

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Chapter 10

Chapter 10. Periodic Trends Density Atomic and Ionic Radii. Density. Density. Iridium (Z = 77) has the highest density. Why not Meitnerium (Z = 109?) We can predict that an element is more dense if it is closer to Iridium. Density. Effective Nuclear Charge (Z eff ).

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Catalyst

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Periodic Trends

Periodic Trends. SC1. Obtain, evaluate, and communicate information about the use of the modern atomic theory and periodic law to explain the characteristics of atoms and elements.

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0.77 + 1.14

C = 0.77 A, Br = 1.14 A. = 1.91 A. r. r. d. Approximate bonding atomic radii for the elements have been tabulated. The distance between bonded nuclei can be approximated by adding radii from both atoms. e.g., Bonding atomic radii are as follows: .

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