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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 elements is the most electronegative?
2. Which of the following equations describes the reaction between Al(s) and H2SO4?
3. Which of the following is an example of an alkane?
4. Which of the following ions is essential in the clotting of blood?
5. Which of the following is the hybridization of the carbon atom in methane, CH4?
6. What is the electron configuration of a Cl- ion?
7. Which of the following molecules could be considered a polymer?
8. Which of the following has the largest radius?
9. Primary intermolecular interactions between a K cation and H2O molecules are
10. Using the Lewis dot structure above, estimate the total bond energy of the compound CO2 given the following bond strengths: C-O 358 kJ/mol - C=O 799 kJ/mol - C
11. Which of the following ions is NOT important in the conduction of nerve impulses in the body?
12. If an atom has a mass number of 40 and an atomic number of 18, how many neutrons does it contain?
13. Which of the following is NOT a characteristic of nonmetals?
14. Proteins are polymers of which of the following organic compounds?
15. Which of the following has an increase in entropy?
16. Which of the following is the most likely charge on an ion of Sr? (Sr is a group IIA molecule.)
17. Which of the following species is being oxidized in this redox reaction? Zn(s) + Cu2+(aq)
18. Two liters of air at a pressure of two atm are condensed to 0.5 liters. If the temperature is constant, what is the new pressure?
19. Butane, C4H10, combusts to form CO2 and H2O. Which of the following is the balanced chemical equation that describes this reaction?
20. When amino acids polymerize to make a protein, which of the following is produced as a byproduct?
21. How much heat is required to raise the temperature of 100 grams of water from 25
22. Which of the following equations correctly describes the reaction between SO3(g) and KOH(aq)?
23. Rank the following atoms in order of increasing atomic size: Cs, F, Li, N.
24. Which of the following is the probable charge for an ion formed from Ca?
25. Which of the following does NOT have the electron configuration [Ne] 3s23p6?

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