BOOK K CHAPTER 3 FLASHCARDS
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1 BOOK K CHAPTER 3 FLASHCARDS Boiling point, melting point, and density are some of an element s a. nonreactive properties. b. chemical properties. c. physical properties. d. pure properties. A property of an element that does not depend on the amount of the element is called a(n) a. electromagnetic property. b. unique property. c. finite property. d. characteristic property. An element s ability to react with acid is an example of a a. pure substance. b. chemical property. c. physical property. d. melting point. The flammability of a substance is a. a chemical property. b. a physical property. c. related to the density. d. changeable. Which of the following is a chemical property? a. density b. boiling point c. reactivity with acid d. Color How are metalloids similar to metals? a. They have some properties of nonmetals. b. Some are shiny, while others are dull. c. They are somewhat malleable and ductile. d. Some are good conductors of electric current. When two or more elements join together chemically, a. a compound is formed. b. a mixture is formed. c. a substance that is the same as the elements is formed. d. the physical properties of the substances remain the same. How do elements join to form compounds? a. randomly b. in a ratio of 1 to 8 c. in a specific mass ratio d. as the scientist plans it
2 How is a compound different from a mixture? a. Compounds have two or more components. b. Each substance in a compound loses its characteristic properties. c. Compounds are commonly found in nature. d. Solids, liquids, and gases can form compounds. Which of the following is NOT true of compounds? a. They contain two or more elements. b. They have their own physical properties. c. They form after a physical change. d. They do not form randomly. The physical properties of compounds do NOT include a. melting point. b. reaction to light. c. density. d. color. How can a compound be broken down? a. by physical changes b. by crushing c. by chemical changes d. by cooling Compounds found in all living things include a. proteins. b. mercury oxides. c. ammonia. d. carbonic acids. When elements form mixtures, the elements a. keep their original properties. b. react to form a new substance with new properties. c. combine in a specific mass ratio. d. always change their physical state. If a spoonful of salt is mixed in a glass of water, what is the water called? a. solute d. Element What is a solid solution of a metal or nonmetal dissolved in a metal called? a. suspension b. Colloid c. alloy d. Compound The particles in both a solution and a colloid a. cannot scatter light. b. are soluble. c. can settle out. d. can pass through a fine filter.
3 How could a sugar cube be dissolved more quickly in water? a. Cool the water. b. Let the cube sit in the water. c. Crush the sugar cube. d. Add more water. Why can salt dissolve in water? a. Salt is the solvent. b. Salt is soluble. c. Salt is a solution. d. Salt is an element. What forms when particles of two or more substances are evenly mixed? a. compound b. Solution d. Element What is it called when particles in substances separate and spread evenly? a. insolubility b. Concentration c. dissolving A colloid has properties of both suspensions and a. solutions. s. c. solvents. d. nonmetals. The particles in both a suspension and a colloid can a. scatter light. b. be soluble. c. settle out. d. pass through a fine filter. Use the graph below to answer the following questions. Which solid is more soluble at lower temperatures than at higher temperatures? a. sodium chloride b. potassium bromide c. sodium nitrate d. cerium sulfate Use the graph below to answer the following questions. Which compound s solubility is least affected by changes in temperature? a. cerium sulfate b. potassium bromide c. sodium nitrate d. sodium chloride an element that is shiny and conducts heat and electric current well a. metal b. Metalloid c. nonmetal
4 an element that conducts heat and electricity poorly and is dull in appearance a. metal b. Metalloid c. nonmetal an element that has the properties of both metals and nonmetals a. metal b. Metalloid c. nonmetal is a nonmetal a. carbon dioxide b. sodium chloride c. sulfur also known as table salt used by plants during photosynthesis an aluminum pie plate a. carbon dioxide b. sodium chloride c. sulfur a. carbon dioxide b. sodium chloride c. sulfur calcium carbonate potting soil instant coffee that is placed in hot water
5 a steel crowbar a milk shake a solid solution of metals or nonmetals dissolved in metals a. alloy a mixture of large, dispersed particles a. alloy the substance in which a solute dissolves a. alloy Water a. colloid b. Compound salt dissolved in water a. colloid b. Compound Gelatin a. colloid b. Compound broken down by body cells to create new compounds
6 can be made from just carbon, oxygen, and hydrogen a mixture equivalent in granite to cheese on a pizza process that separates a mixture based on the boiling points of the components machine that separates mixtures by the densities of the components amount of a substance in a given quantity of a mixture, solution, or ore a. centrifuge b. concentration c. distillation a. centrifuge b. concentration c. distillation a. centrifuge b. concentration c. distillation
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