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10th Grade Chemistry Exam 2
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10th Grade Chemistry Exam 2
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25 Questions

1. Define solvent

2. What volume of silver metal will weigh exactly 2,500 g? The density of Silver is 10.5 grams/cm^3

3. What is the concentration of hydroxide in water at room temperature? What is KvW? How is it related to pH?

4. An element is in group 16 and period 3, what is the element?

5. 'Arrhenius Theory

6. Acids usually start with what? Give some examples of strong acids. Strong bases usually end with what? Give some examples

7. What is the difference between hard water and soft water?

8. Identify the following as homogenous or heterogeneous a) air b) salad c) soda d) milk

9. How do theories evolve? What is the difference between theory and Law?

10. Properties of Ice: Less density. Floats on water to protect marine animal.

11. The charges of the three sub-atomic particles are?

12. What is Surface tension?

13. List three properties of an ionic compound

14. What is a Bronsted-Lowry base? Give an example

15. Does calcium or sulfur have a higher ionization energy? Explain your answer

16. State the law of conservation of mass

17. What are Hydrogen Bonds?

18. The three sub-atomic particles are?

19. Identify the following as an Ion or Isotope? a) S^2- b) ^14 C c) AI^3+ d) ^9 Li

20. Name four states of matter

21. What happens in a chemical reaction? How is a nuclear reaction different? Give two examples of each

22. Define intramolecular force

23. Define hydronium and hydroxide. How are they related in water?

24. Looking at KCIOv3, if we put 10 grams of KCIOv3 in water at 30 degrees, would that be saturated, supersaturated, or unsaturated?

25. Describe the trend of atomic radius in the periodic table