28. Which two terms for types of matter ___ 3. Which equation correctly both identify substances? represents the oxidation of calcium A) elements and compounds to calcium ion? B) compounds and solutions C) mixtures and compounds A) Ca2+ + 2e– Ca → D) nonmetals and mixtures B) 2Ca2+ + 2e– → Ca4+ C) Ca 2Ca+ + 2e– → D) Ca → Ca2+ + 2e– 29. When particles with the charge same ___ 4. Which person developed the move closer to each other, the particles periodic table based on the will properties of the elements? A) attract B) repel A) John Dalton C) bond B) Dimitri Mendeleev D) combine C) Fritz Haber D) Niels Bohr ___ 1. Pennies made after the year 1982 ___ 5. What is the total number of molecules in have the highest content of which one mole of nitrogen, N2? element? A)  6.02 1023 A) zinc B)  1.50 1022 B) copper C)  1.20 1024 C) lead D)  3.01 1023 D) aluminum E) iron ___ 6. The chemical formula for baking soda is NaHCO3. The subscript “3” in this formula ___ 2. By using results from tests like the means three “Metal Reactivities” lab, the metal elements can be ranked in order of A) molecules of baking soda their chemical reactivity. This B) atoms of oxygen ranking is called the C) atoms of carbon D) molecules of carbon dioxide A) data table B) periodic table C) density series D) activity series
28. Which two terms for types of matter both identify substances? A) elements and compounds B) compounds and solutions C) mixtures and compounds D) nonmetals and mixtures 29. When particles with the same charge move closer to each other, the particles will A) attract B) repel C) bond D) combine ___ 1. Pennies made after the year 1982 have the highest content of which element? A) zinc B) copper C) lead D) aluminum E) iron ___ 2. By using results from tests like the “Metal Reactivities” lab, the metal elements can be ranked in order of their chemical reactivity. This ranking is called the A) data table B) periodic table C) density series D) activity series ___ 3. Which equation correctly represents the oxidation of calcium to calcium ion? A) Ca2+ + 2e– → Ca B) 2Ca2+ + 2e– → Ca4+ C) Ca → 2Ca+ + 2e– D) Ca → Ca2+ + 2e– ___ 4. Which person developed the periodic table based on the properties of the elements? A) John Dalton B) Dimitri Mendeleev C) Fritz Haber D) Niels Bohr ___ 5. What is the total number of molecules in one mole of nitrogen, N2? A) 6.02  1023 B) 1.50  1022 C) 1.20  1024 D) 3.01  1023 ___ 6. The chemical formula for baking soda is NaHCO3. The subscript “3” in this formula means three A) molecules of baking soda B) atoms of oxygen C) atoms of carbon D) molecules of carbon dioxide
Water%20Section%20CD%20Test.docx