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Compounds and Mixtures

Compounds and Mixtures. Q1. What is the smallest particle of an element called?. A1. An atom. Q2. What contains only one type of atom and is found on the periodic table?. A2. An element. Q3. What contains two or more elements chemically combined?. A3. A compound.

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Compounds and Mixtures

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  1. Compounds and Mixtures KS3 Unit 8f – Compounds and mixtures

  2. Q1. What is the smallest particle of an element called? KS3 Unit 8f – Compounds and mixtures

  3. A1. An atom KS3 Unit 8f – Compounds and mixtures

  4. Q2. What contains only one type of atom and is found on the periodic table? KS3 Unit 8f – Compounds and mixtures

  5. A2. An element KS3 Unit 8f – Compounds and mixtures

  6. Q3. What contains two or more elements chemically combined? KS3 Unit 8f – Compounds and mixtures

  7. A3. A compound KS3 Unit 8f – Compounds and mixtures

  8. Q4. What contains two or more chemicals together which are not chemically combined? KS3 Unit 8f – Compounds and mixtures

  9. A4. A mixture KS3 Unit 8f – Compounds and mixtures

  10. Q5. Give a word that means containing only one substance. KS3 Unit 8f – Compounds and mixtures

  11. A5. Pure KS3 Unit 8f – Compounds and mixtures

  12. Q6. What chemicals have a pH less than 7 and turn blue litmus paper red? KS3 Unit 8f – Compounds and mixtures

  13. A6. Acids KS3 Unit 8f – Compounds and mixtures

  14. Q7. What type of acid that is found in the stomach? KS3 Unit 8f – Compounds and mixtures

  15. A7. Hydrochloric acid KS3 Unit 8f – Compounds and mixtures

  16. Q8. Name a reactive alkali metal that is used in yellow street lights. KS3 Unit 8f – Compounds and mixtures

  17. A8. Sodium KS3 Unit 8f – Compounds and mixtures

  18. Q9. Which type of reaction is very difficult to take in the other direction? KS3 Unit 8f – Compounds and mixtures

  19. A9. An irreversible reaction KS3 Unit 8f – Compounds and mixtures

  20. Q10. What word means to change state from liquid to gas? KS3 Unit 8f – Compounds and mixtures

  21. A10. Boil KS3 Unit 8f – Compounds and mixtures

  22. Q11. What word means to change state from liquid to solid? KS3 Unit 8f – Compounds and mixtures

  23. A11. Freeze KS3 Unit 8f – Compounds and mixtures

  24. Q12. What word means to change state from solid to liquid? KS3 Unit 8f – Compounds and mixtures

  25. A12. Melt KS3 Unit 8f – Compounds and mixtures

  26. Q13. What word means to change state from gas to liquid? KS3 Unit 8f – Compounds and mixtures

  27. A13. Condense KS3 Unit 8f – Compounds and mixtures

  28. Q14. What is a measure of the average thermal energy per molecule in a substance? KS3 Unit 8f – Compounds and mixtures

  29. A14. Temperature KS3 Unit 8f – Compounds and mixtures

  30. Q15. What do we call a chemical that contains a metal, carbon and oxygen only? KS3 Unit 8f – Compounds and mixtures

  31. A15. A carbonate KS3 Unit 8f – Compounds and mixtures

  32. Well Done!Now check your score KS3 Unit 8f – Compounds and mixtures

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