Some useful things to know for Exam 1: Fundamentals: (Ch 2 & basic math) Know the names and symbols of the elements (ones at the bottom are not as important as the first 50 or so and ones in named groups like the halogens; know common metals like iron, gold, silver, mercury etc. Know what the halogens, alkalai metals, alkali earth metals, transition metals, halogens and noble gases are and their location on the Periodic Table. Know which elements exist as diatomics. Know ALL metric prefixes. Be able to do unit conversions (some folks call this dimensional analysis) and use scientific notation: Be able to use/enter/do these on your nonprogrammable calculator!! Be able to name ionic and covalent compounds, including ionic compounds with a transition metal ion (Roman numeral notation). KNOW THE POLYATOMIC IONS LISTED IN TABLE 2.5. You should be able to tell that two nonmetals make a covalent compound, and one metal plus one nonmetal make an ionic compound. So, know how to tell metal from nonmetal from metalloid. Chapter 12:
This is the end of the preview.
access the rest of the document.