'Successive ionization energies' diaporamas de présentation

Periodic Variation in Physical Properties

Periodic Variation in Physical Properties. Sizes of atoms and ions Ionization energy Electron affinity Metallic properties. Properties and Electronic Structure. Properties depend on. valence electrons. Effective nuclear charge (net charge on an electron)

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Chemical Bonding

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Electron Configurations and Periodicity

Electron Configurations and Periodicity. Chapter 8. Electron Spin. In Chapter 7, we saw that electron pairs residing in the same orbital are required to have opposing spins. . This causes electrons to behave like tiny bar magnets. (see Figure 8.3)

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AP Review

AP Review. Which of the following four statements describe isotopes? Atoms of an element having different numbers of electrons Atoms of an element having different numbers of neutrons 40 K 19 and 40 Ar 18 90 Sr 38 and 92 Sr 38

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Atomic Emission Spectra

Atomic Emission Spectra. First Ionization Energies. IE Excel File. He. Ne. F. N. O. C. Be. B. Li. Successive Ionization Energies (kJ/ mol ). Photoelectron Spectroscopy. based on photoelectric effect monochromatic light shone on sample, causes e- to be emitted

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Ionization Energies and Group Numbers

Ionization Energies and Group Numbers. What is Ionization?. Consider an atom of Lithium, losing its electrons. The lithium atom has three electrons (1s 2 2s 1 ) and three protons. +. It is electrically neutral 3 e - + 3p + = Li 0. What is Ionization?. Li 0 ? Li 1+.

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Chemistry: A Molecular Approach, 1 st Edition Nivaldo J. Tro

Chemistry: A Molecular Approach, 1 st Edition Nivaldo J. Tro. Chapter 8. Periodic Properties of the Elements. What is the ground state electron configuration for Mo?. Mo: [Kr]5 s 2 4 d 4 Mo: [Kr]5 s 0 4 d 6 Mo: [Ar]4 s 2 3 d 4 Mo: [Ar]4 s 1 3 d 5 Mo: [Kr]5 s 1 4 d 5.

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Shape of orbitals

Shape of orbitals. s-orbital p-orbitals.

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Transition metals catalysts

Transition metals catalysts. Catalysts lower activation energies allowing a chemical reaction to go faster . Heterogenous catalyst: different phase as reactants. Homogenous catalyst: same phase. . Transition metals as catalysts. Transition metals are good catalysts because :

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