Unit 2 Chemistry

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Across
  1. 3. substance formed by the chemical combination of two or more elements in definite proportions
  2. 4. the measurement of the amount of solute dissolved in a fixed amount of the solution
  3. 6. A liquid substance capable of dissolving other substances
  4. 7. A reaction that ABSORBS energy in the form of heat, it is required to start the reaction
  5. 11. The ease and speed with which an element combines, or reacts, with other elements and compounds.
  6. 14. the process in which atoms are rearranged to produce new substances
  7. 15. A reaction that releases energy in the form of heat
  8. 17. A group of atoms bonded together
  9. 18. mixture in which two or more substances are so completely blended that it looks like it is made of only one substance
  10. 19. A substance formed/produced in a chemical reaction
  11. 21. A combination of chemical symbols and numbers to represent a substance
  12. 22. A reaction of an acid with a base, yielding a solution that is not as acidic or basic as the starting solutions were.
  13. 23. a mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and that are suspended in a liquid, solid, or gas
  14. 24. A sample of matter, either a single element or a single compound, that has definite chemical and physical properties
  15. 25. A mixture in which particles can be seen and easily separated by settling or filtration
Down
  1. 1. Matter is not created nor destroyed in any chemical or physical change
  2. 2. A substance that is being dissolved in a solution
  3. 5. the ability of one substance to dissolve in another at a given temperature and pressure
  4. 8. a mixture in which the composition is uniform throughout
  5. 9. A system in which both energy and matter can be exchanged between the system and its surroundings
  6. 10. A mixture that is not uniform in composition; components are not evenly distributed throughout the mixture
  7. 12. A combination of two or more substances that are not chemically combined
  8. 13. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  9. 16. A system in which mass is conserved inside the system but energy can enter or leave the system freely
  10. 20. substances that participate in a chemical reaction, the starting substances