b. New elements are formed d. All of the above. In substance do the molecules have the strongest attractions to one another? ____ 25. a. a solid c. sulfuric acid, a liquid b. hydrogen, a gas d. water, a liquid Highly reactive elements that belong to Group 1 ____ 26. a. semiconductors c. alkali metals b. alkaline-earth d. transition metals Most nonmetals are ____ 27. a. brittle. c. metalloids. good conductors. shiny. b. d. Each molecule of hydrochloric acid, HCl, contains one atom of hydrogen and ____ 28. a. one atom of chlorine. c. two atoms of chlorine. one atom of oxygen. two of oxygen. b. d. In a metallic bond, the nucleus of one atom is attracted by a nearby atom’s ____ 29. a. nucleus. c. energy structure. negative ion. electrons. b. d. When water is broken down by electrolysis, the products are ____ 30. water and carbon dioxide. hydrogen gas and oxygen gas. a. c. b. hydrogen and oxygen ions. d. oxygen and methane. Which of the following is an example of a decomposition reaction? ____ 31. a. photsynthesis c. respiration digestion exchange of ions between two b. d. compounds As you move from left to across the periodic table, elements ____ 32. a. become less metallic. c. have a lower atomic weight.
b. New elements are formed d. All of the above. ____ 25. In substance do the molecules have the strongest attractions to one another? a. a solid c. sulfuric acid, a liquid b. hydrogen, a gas d. water, a liquid ____ 26. Highly reactive elements that belong to Group 1 a. semiconductors c. alkali metals b. alkaline-earth d. transition metals ____ 27. Most nonmetals are a. brittle. c. metalloids. b. good conductors. d. shiny. ____ 28. Each molecule of hydrochloric acid, HCl, contains one atom of hydrogen and a. one atom of chlorine. c. two atoms of chlorine. b. one atom of oxygen. d. two of oxygen. ____ 29. In a metallic bond, the nucleus of one atom is attracted by a nearby atom’s a. nucleus. c. energy structure. b. negative ion. d. electrons. ____ 30. When water is broken down by electrolysis, the products are a. water and carbon dioxide. c. hydrogen gas and oxygen gas. b. hydrogen and oxygen ions. d. oxygen and methane. ____ 31. Which of the following is an example of a decomposition reaction? a. photsynthesis c. respiration b. digestion d. exchange of ions between two compounds ____ 32. As you move from left to across the periodic table, elements a. become less metallic. c. have a lower atomic weight.
Ch%205%20through%20Ch%207.docx