Chemistry Quiz 42 (25 MCQs)

Quiz Instructions:

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1. What is colorimeter?

2. What causes an atom to be charged?

3. Which of the following is not an element found in large abundance in organisms?

4. Which of the following anions is polyatomic?

5. Which subatomic particle is positive?

6. Which of these shows SI unit prefixes arranged in order from smallest to largest?

7. It is a substance that the pressure exerted by its vapor when in equilibrium with its liquid or solid.

8. What type of particle is:NO2

9. Why do elements bond?

10. Typically, when two atoms form a chemical bond, the expected result is that the electrons

11. It resist an external force and this assume a lesser surface area.

12. If 60.2 grams of Hg combines completely with 24.0 grams of Br to form a compound, what is the percent composition of Hg in the compound?

13. Which of the following is NOT true about water?

14. If an atom has 12 protons, which of the following must it also have to be considered a neutral atom?

15. When the outermost energy level of an atom contains the maximum number of electrons

16. The type of matter that makes up an object and the way it is arranged

17. Which of the following elements is an alkali metal

18. What nucleus of atom contains?

19. Density is one of the properties of a substance. How is the property classified?

20. Branch of chemistry that studies matrials that dont have carbon

21. What is an ionic bond?

22. The second energy level can hold up to _____ valence electrons

23. What are the factors that affect solubility?

24. What kind of ions are found in basic solutions?

25. What is the number of valence electrons (the electrons on the outer-most shell) for Oxygen?