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Which of the following pictures represents only one kind of atom?. 11/4/13. C. A. D. B. Which pictures bellow present pure substances?. 11/5/13. Sketch the pictures above and label each as either an element or a compound. All of the pictures above represent a. molecules b. compounds
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Which of the following pictures represents only one kind of atom? 11/4/13 C A D B Which pictures bellow present pure substances?
11/5/13 Sketch the pictures above and label each as either an element or a compound. All of the pictures above represent a. molecules b. compounds c. pure substances d. mixtures
Identify each substance above as either a pure substance or a mixture. Which of the following is an example of the formation of a mixture? A. Rust forming B. Salt dissolving in water C. Na and Cl forming NaCl D. H and O reacting to produce H2O 11/6/13
List the following substances and label them as pure substances or mixtures. Sugar (C12H22O11)— Air— Potassium (K)— 11/7/13 • Hydrogen and oxygen chemically combine to form water (H2O). Water is an example of which of the following? • A. An atom B. An element • C. A mixture D. A compound