Suggested End-of-Chapter Problems: All of them!  You should do as many problems as necessary in order to develop your mastery of the concepts. Pay particular attention to the later problems, as these are more relevant to test-level questions. Extra Practice on the website

Objectives: 

4.2
·         understand and element, atom
·         identify and write proper elemental symbols (A list of the elements whose symbols must be memorized is provided on the course website)

·         understand the general principles of Dalton’s Theory

4.3 & 4.4 & 4.5
·         describe the properties of protons, electrons, neutrons, atomic mass unit (amu), charge
·         define electron, nucleus, neutron
·         describe the properties of protons, electrons, neutrons, atomic mass unit (amu), charge
·         describe the location of subatomic particles in an atom
·         use given information about any atom to determine other information
·         define atomic number and memorize its symbol
·         define mass number and memorize its symbol

4.6

·         explain the organization of the periodic table

·         define the terms main group, transition metal

·         describe the general properties of metals, nonmetals, and metalloids

·         define luster (shininess), malleability, ductility

·         classify any element of the periodic table as a metal, a nonmetal, or a metalloid

·         define molecule, diatomic molecule

·         define and classify any element of the periodic table as diatomic or monatomic

·         memorize the elements that exist as diatomic molecules

·         identify members of the alkali metal, alkaline earth metal, halogen, and the noble gas families of the periodic table

·         identify the state of matter of any element of the periodic table at room temperature

4.7

·         understand and define ion, cation, and anion

·         memorize the most common monatomic ions that can be formed by each family of elements

4.8

·         define isotopes, percent abundance

·         interpret and write isotope (nuclear) symbols for any isotope of a particular atom or monatomic ion (both ways)

4.9

·         understand and define atomic mass (aka average atomic mass)

·         calculate the atomic mass for an element given appropriate information