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Ch 2 matter and Change

Ch 2 matter and Change. Classify the change. lighting a match A)CHEMICAL B) PHYSICAL . Please make your selection. Which subatomic particle plays the greatest part in determining the properties of an element? A electron B proton C neutron D nucleus. Please make your selection.

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Ch 2 matter and Change

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  1. Ch 2 matter and Change

  2. Classify the change lighting a match A)CHEMICAL B) PHYSICAL

  3. Please make your selection Which subatomic particle plays the greatest part in determining the properties of an element? • A electron • B proton • C neutron • D nucleus

  4. Please make your selection A good definition of a chemical is any substance that • a. causes corrosion. • b. has a definite composition. • c. is hazardous. • d. is used in industrial processes.

  5. Please make your selection The smallest particle of an element that retains the properties of that element is a(n) ____. • A proton • B atom • C electron • D neutron

  6. Please make your selection When paper turns yellow-brown upon exposure to sunlight, what type of change is likely taking place? • A neither a physical change nor a chemical change • B a physical change • C both a physical change and a chemical change • D a chemical change

  7. Please make your selection Which state of matter takes both the shape and volume of its container? • A solid • B liquid only • C gas only • D both b and c

  8. Please make your selection The state of matter in which a material is most likely to resist compression is the • a. solid state. • b. liquid state. • c. gaseous state. • d. vaporous state.

  9. Please make your selection Which state of matter has a definite volume and takes the shape of its container? • A solid • B liquid only • C gas only • D both b and c

  10. Please make your selection One chemical property of matter is • a. boiling point. • b. texture. • c. reactivity. • d. density.

  11. Classify the change water evaporating A)CHEMICAL B) PHYSICAL

  12. Please make your selection Mercury(II) oxide decomposes into mercury and oxygen. In this reaction, mercury is • a. a reactant. • b. a product. • c. a foul-smelling substance. • d. sometimes a reactant and sometimes a product.

  13. Classify the change • chopping wood A)CHEMICAL B) PHYSICAL

  14. Please make your selection Which field of science studies the composition and structure of matter? • A biology • B geology • C chemistry • D physics

  15. Please make your selection What type of matter is formed when two or more elements chemically join together? • a. compound • b. element • c. heterogeneous mixture • d. homogeneous mixture

  16. Please make your selection Which of the following is a chemical property? • A ability to react with oxygen • B color • C freezing point • D hardness

  17. Please make your selection A chemical change occurs when • a. dissolved minerals solidify to form a crystal. • b. ethanol is purified through distillation. • c. salt deposits form from evaporated seawater. • d. a leaf changes color.

  18. Please make your selection Matter that is free to move and fills its available volume is in the ______ state. • a. liquid • b. solid • c. gaseous • d. elemental

  19. Please make your selection Which of the following observations does not indicate that a chemical change has occurred? • a. change of state • b. formation of a precipitate • c. absorption of energy • d. release of a gas

  20. Please make your selection Which of the following shows a physical change occurring? • a. A peach spoils. • b. A copper bowl tarnishes. • c. A piece of jewelry turns your skin green. • d. A hot-glue gun melts a glue stick.

  21. Classify the change ice melting A)CHEMICAL B) PHYSICAL

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