Chapter 3 Chemical Foundations: Elements, Atoms and Ions.

Chapter 3Chapter 3

Chemical Foundations:

Elements, Atoms and Ions

Copyright © by McDougal Littell. All rights reserved. 2 EXIT

Top Ten Top Ten


Table 3.1Table 3.1


Table 3.3Table 3.3


Figure 3.2: Representation of NO, NOFigure 3.2: Representation of NO, NO22, and N, and N22O.O.


Figure 3.3: Plum Pudding model of an atom.Figure 3.3: Plum Pudding model of an atom.


Figure 3.5: Rutherford’s experiment.Figure 3.5: Rutherford’s experiment.


Figure 3.6: Results of foil experiment if Plum Pudding model had been correct.Figure 3.6: Results of foil experiment if Plum Pudding model had been correct.


Figure 3.6: Actual Results.Figure 3.6: Actual Results.


Figure 3.7: Schematic of a cathode ray tube.Figure 3.7: Schematic of a cathode ray tube.


Figure 3.9: A nuclear atom viewed in cross section.Figure 3.9: A nuclear atom viewed in cross section.


Figure 3.10: Two isotopes of sodium.Figure 3.10: Two isotopes of sodium.


Figure 3.11: The periodic table.Figure 3.11: The periodic table.


Figure 3.12: Elements classified as metals and nonmetals.Figure 3.12: Elements classified as metals and nonmetals.


Figure 3.13: A collection of argon atoms.Figure 3.13: A collection of argon atoms.


Figure 3.14: Nitrogen gas contains NXN molecules.Figure 3.14: Nitrogen gas contains NXN molecules.


Figure 3.14: Oxygen gas contains OXO molecules.Figure 3.14: Oxygen gas contains OXO molecules.


Table 3.5Table 3.5


Figure 3.15: The decomposition of two water molecules.Figure 3.15: The decomposition of two water molecules.


Figure 3.17: Spherical atoms packed closely together.Figure 3.17: Spherical atoms packed closely together.


Figure 3.19: The ions formed by selected members of groups 1, 2, 3, 6, and 7.Figure 3.19: The ions formed by selected members of groups 1, 2, 3, 6, and 7.


Figure 3.20: Pure water does not conduct a current.Figure 3.20: Pure water does not conduct a current.


Figure 3.20: Water containing dissolved salt conducts a current.Figure 3.20: Water containing dissolved salt conducts a current.

Chapter 3 Chemical Foundations: Elements, Atoms and Ions.

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Transcript of Chapter 3 Chemical Foundations: Elements, Atoms and Ions.