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When you have completed your exam and reviewed your answers, click Submit Exam. Answers will not be recorded until you hit Submit Exam. If you need to exit before completing the exam, click Cancel Exam. Questions 1 to 20: Select the best answer to each question. Note that a question and its answers may be split across a page break, so be sure that you have seen the entire question and all the answers before choosing an answer. 1 . The two most well-known alkaline earth metals are
A. Calcium and magnesium. B. Magnesium and barium. C. Strontium and radium. D. Calcium and barium. 2. Refer to the periodic table of elements (Figure 30 in your study unit) to help you answer this question. The molecular formula of calcium chloride is Cacao. What is the molecular weight of this drug? A. 111. 1 B. 40 1 c. 71 D. 35 5 3. Benzene is a cyclic structure containing how many carbons? A. Eight B. Four C. Six D. Zero 4. The insulin molecule contains A. 86 B. 16 D. 26 amino acids. 5. Which of the following drugs is a polypeptide?
A. Tissue plainspoken activator (t-pa) B. Codeine sulfate C. Immateriality hydrochloride (Eluvia) D. Acetaminophen 6. Compounds made from living sources all contain the element A. Potassium. B. Zinc. C. Magnesium. D. Carbon. 7. Phenol has a functional group known as the A. Methyl B. Amine C. Carbonyl D. Hydroxyl group present in the molecule. 8. Refer to the periodic table of elements (Figure 30 in your study unit) to help you answer this question. The molecular formula of citrate is CHICHI. What is the molecular weight of this drug?
A. 29. 08 B. 192. 8 c. 192 D. 29. 01 9. Is a compound formed from combining a carboxylic acid and an alcohol. A. Ether B. Ester C. Alloyed D. Ketene 10. How many additional electrons does carbon need in its outer shell to achieve the greatest stability as an atom? A. Two B. Three C. One D. Four 11 . Immateriality (Eluvia) is Alan A. Anti-inflammatory. B. Antidepressant. C. Narcotic. D. Pain reliever. Is a halogen that easily combines with carbon compounds to provide new 12. Properties to the molecule. A. Potassium B.
Iodine C. Magnesium D. Lithium 13. The standard atomic weigh I NT s bas De on the weigh B. Hydrogen. C. Carbon. D. Oxygen. 14. Which of the following is not a halogen element? A. Chlorine B. Bromine C. Fluorine D. Oxygen NT to the element A. Magnesium. 15. All chemical compounds can be divided into two classes. These classes are A. Hydrocarbons and alcohols. B. Alkaline and alikeness. C. Aliphatic and aromatic. D. Inorganic and organic. 16. Acetic acid is a compound known as A. Bleach. B. Mouthwash. C. Vinegar. D. Ammonia. 17.
A carbon compound that contains oxygen between two hydrocarbon groups is now as Alan A. Ether. B. Ketene. C. Amine. D. Ester. 18. Is the classic structural formula for all the addictive narcotics. A. Tetracycline B. Codeine C. Immateriality D. Diagram 19. Which class of antibiotics has a specific ring structure within their molecules known as the beta-lactic ring? A. Penicillin’s B. Steroids C. Tetracycline’s D. Tricycle antidepressants 20. Is effective in the treatment of psychosis and schizophrenia.