What is the distinction between atomic number and mass number? Between mass number and atomic mass?
Distinguish between the terms family and period in connection with the periodic table. For which of these terms is the term group also used?
The compounds AlCl3, CrCl3, and ICl3 have similar formulas, yet each follows a different set of rules to name it. Name these compounds, and then compare and contrast the nomenclature rules used in each case.