Chapter 11 Chemical Bonds: The Formation of Compounds from ...

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11.1 Periodic Trends in atomic properties 11.1 Periodic Trends in atomic properties design of periodic table is based on observing properties of the elements periodic trends allow us to use the periodic table to predict properties and reactions of a wide variety of substances 1. metals and nonmetals • metals are usually lustrous, malleable and good conductors of heat and electricity • nonmetals are nonlustrous, brittle and poor conductors • metals tend to lose electrons and form cations • nonmetals tend to gain electrons and form anions a metal reacts with a nonmetal, electrons are often transferred from the metal to the nonmetal • hydrogen is a unique element 2
2. atomic radius • the increase in radius down a group for each step down a group, an additional energy level is added to the atom • decrease in atomic radius across a period electrons are added the same energy level each time an electron is added, a proton is added to the nucleus and increase in positive charge that pulls the electrons closer to the nucleus 3
Page 1: Chapter 11 Chemical Bonds: The Form
Page 5 and 6: 11.2 Lewis structures of atoms meta
Page 7 and 8: consider Na and Cl atoms react with
Page 9 and 10: ex. 11.2 how Mg and Cl combine to f
Page 11 and 12: 11.5 The covalent bond: sharing ele
Page 13 and 14: 11.6 Electronegativity the bond for
Page 15 and 16: carbon dioxide CO 2 is nonpolar O =
Page 17 and 18: ex. 11.10 write the Lewis structure
Page 19 and 20: 11.8 Complex Lewis structures for s
Page 21 and 22: 11.9 Compounds containing polyatomi
Page 23 and 24: 11.11 The valence shell electron pa
Page 25: ex. 11.15 predict the molecular sha

Chapter 11 Chemical Bonds: The Formation of Compounds from ...

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