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Name two elements on the Period Table of Elements

Name two elements on the Period Table of Elements. Give two examples of a solution . What’s the difference between a solute and a solvent ?. What is matter ?. What is pollution ?. Using the Particle Theory, explain why an ice cube melts when it is heated.

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Name two elements on the Period Table of Elements

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  1. Name two elements on the Period Table of Elements

  2. Give two examples of a solution.

  3. What’s the difference between a solute and a solvent?

  4. What is matter?

  5. What is pollution?

  6. Using the Particle Theory, explain why an ice cube melts when it is heated.

  7. Name 5 materials (or kinds of equipment) you used in the “Testing the Particle Theory” lab.

  8. Name three sources of water pollution.

  9. What’s the difference between a mechanical mixture and a solution?

  10. Why is aluminum considered a pure substance?

  11. How is the concentration of a solution written? Give an example.

  12. Give one example of a compound, and name the elements that make it up.

  13. Name all five main ideas of the Particle Theory.

  14. If there are 50g of sugar in 200mL of water, what is the concentration of the solution?

  15. Explain the difference between a solid and a liquid, using the Particle Theory.

  16. Name one pure substance that is toxic to animals and humans.

  17. What are homogeneous mixtures also known as?

  18. Where should you dispose your batteries? Why?

  19. What does it mean for a solution to be saturated?

  20. Fill in the blanks: Solubility is a measure of how much solute can dissolve in a certain solvent to form a _________ solution at a particular _________.

  21. Name the six samples of matters used in the “Identifying and Classifying Matter” lab.

  22. Is brass a pure substance or solution? How do you know?

  23. What are mechanical mixtures also known as?

  24. Is stainless steel a pure substance, mechanical mixture, or solution?

  25. What is the solvent in ocean water? What is a solute in ocean water?

  26. What does it mean for a solute to be insoluble?

  27. Define “dissolve.”

  28. Why is water called the universal solvent?

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