'Group 5a' diaporamas de présentation

Periodic Law

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Chapter 3 Chemical Compounds

Chapter 3 Chemical Compounds. General Chemistry Talia Ara. A. Chemical Formulas. The chemical formula of a substance is a notation using atomic symbols with subscripts to convey the relative proportions of atoms of the different elements in a substance.

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Organizing the periodic table

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Chapter 9

Chapter 9. Models of Chemical Bonding. Models of Chemical Bonding. 9.1 Atomic Properties and Chemical Bonds. 9.2 The Ionic Bonding Model. 9.3 The Covalent Bonding Model. 9.4 Between the Extremes: Electronegativity and Bond Polarity. 9.5 An Introduction to Metallic Bonding.

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CHAPTER 8 Atomic Electron Configurations and Chemical Periodicity

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ATOMIC ELECTRON CONFIGURATIONS AND PERIODICITY

ATOMIC ELECTRON CONFIGURATIONS AND PERIODICITY. Arrangement of Electrons in Atoms. Electrons in atoms are arranged as SHELLS (n) SUBSHELLS (l) ORBITALS (m l ). QUANTUM NUMBERS. n ---> shell 1, 2, 3, 4, ... l ---> subshell 0, 1, 2, ... n - 1

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Valence Electrons

Valence Electrons. When the groups in the periodic table are numbered from 1 through 8, the group number matches the number of valence electrons in the electron configuration of an element in that group. Valence electrons play a key role in chemical reactions.

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Electron Filling Order Figure 8.5

Electron Filling Order Figure 8.5. Electron Configurations and the Periodic Table. Figure 8.7. Relationship of Electron Configuration and Region of the Periodic Table. Gray = s block Orange = p block Green = d block Violet = f block. Phosphorus. Group 5A Atomic number = 15

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Effective Nuclear Charge (Z eff )

Effective Nuclear Charge (Z eff ) In a many-electron atom, each electron is attracted to the positively charged nucleus and repelled by the other negatively charged electrons.

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#1 Name the ions formed by these elements and classify them as anions or cations

#1 Name the ions formed by these elements and classify them as anions or cations. a. selenium. selenide -2 anion. b. barium. barium ion +2 cation. phosphide ion -3 anion. c. phosphorus. #2How many electrons were lost or gained to form these ions?. a. Fe 3+. 3 lost. 2 gained.

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