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Health Careers Practice Entrance Test: Chemistry
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Health Careers Practice Entrance Test: Chemistry
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25 Questions

1. Which of the following pairs are allotropes?
2. Which of the following has the largest first ionization energy?
3. What does the number 36 represent on the periodic table entry for krypton?
4. Proteins are polymers of which of the following organic compounds?
5. Given that the density of water at 25
6. What is the electron configuration of a Cl- ion?
7. How much heat is required to raise the temperature of 100 grams of water from 25
8. In the reaction 4Al + 3O2
9. Which of the following is the probable charge for an ion formed from Ca?
10. Which of the following is the strongest acid?
11. Which of the following is the formula for the compound cobalt (II) nitride?
12. Which of the following has the greatest number of atoms?
13. Rank the following atoms in order of increasing atomic size: Cs, F, Li, N.
14. When amino acids polymerize to make a protein, which of the following is produced as a byproduct?
15. Which of the following describes the primary structure of proteins?
16. Which of the following is an example of a decomposition reaction?
17. Which of the following does NOT have the electron configuration [Ne] 3s23p6?
18. Which of the following is the name of the oxyacid HClO4?
19. If a 2.0 M solution is diluted to 0.5 M, and the final volume is 100 ml, what was the original volume?
20. Which of the following molecules is the least stable?
21. Which of the following is the hybridization of the carbon atom in methane, CH4?
22. What are the products of the reaction between sodium metal and water?
23. Which of the following is NOT a Lewis base?
24. Which of the following groups is common to the majority of amino acids?
25. Which of the following bonds is the most polar?

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