CHEM 111 Chapter 1 Objectives (Chang 10) Dr. Anita G Gnezda Be able to do the following: 1. Know the names and symbols for the first 20 elements (hydrogen through calcium). (You will always have a periodic table to use.) 2. Know the names and chemical formulas for the following ions: CO 3 2– NO 3 – SO 4 2– PO 4 3– ClO 3 – F – Cl – Br – I – OH – carbonate ion nitrate ion sulfate ion phosphate ion chlorate ion fluoride ion chloride ion bromide ion iodide ion hydroxide ion 3. State the fundamental idea involved in the scientific method. 4. Know the following terms: mixture, pure substance, element, compound, homogeneous mixture, heterogeneous mixture. 5. Know that the three states of matter are solid, liquid, or gas. 6. Understand the difference between a chemical change and a physical change. 7. Know the SI base units for length, mass, time, and temperature (Table 1.2). 8. Know the following SI prefixes:
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