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Unformatted text preview: Add Metal 36.2-mL QUIZ 1 CHEMISTRY 3 PAGE 2 OF 2 3. Write the following in scientific notation: (a) 84,000,000 8.4 x 10 7 (b) 0.0007868532 7.868532 x 10-4 (c) 864.200 8.642 x 10 2 (d) 5.8 5.8 x 10 4. Complete the following and give the number of significant figures: (a) 2 0.2354 1.7646 = 2 The number of sig figs is equal to the limiting decimal place 2 (b) 5.4 x 5.52 29.8 = 30. or 3.0 x 10 1 The number of sig figs is equal to the limiting number of sig figs (5.4 = 2) 5. Name the family to which each of the following elements belong: (a) Fe Transition Metal (b) Cl Halogen (c) Ar Noble Gas (d) Sr Alkaline Earth Metal (e) Na Alkali Metal (f) Cu Transition Metal 6. Identify the following as mixtures or pure substances (a) Wood Mixture (b) Aluminum foil Pure Substance (A element or a compound = pure substance) (c) Salad dressing Mixture (d) Wine Mixture...
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- Summer '08