Biology, 13e (Mader) Chapter 2 Basic Chemistry 1) Which of the following elements would be the most reactive with other elements? A) boron, #5 B) neon, #10 C) argon, #18 D) helium, #2 Answer: A Explanation: Correct. Section: 02.01 Topic: Chemistry; Chemical Elements Bloom's: 3. Apply Learning Outcome: 02.01.04 Determine how electrons are configured around a nucleus. Accessibility: Keyboard Navigation 2) Your roommate has heartburn and you hand her a bottle of antacids. She wants you to explain how the antacids will make her feel better. What do you tell her? A) Antacids dilute the solution, therefore lowering the pH. B) Antacids are bases and can take up H+ thereby reducing the acidity of the solution. C) Antacids are bases and by definition can take up OH- thereby increasing the acidity of the solution. D) Antacids contain mostly water and soNtUhReySInNeGuTtrBa.lCizOeMthe solution. Answer: B Explanation: Antacids are bases and by definition can absorb H+ out of a solution. Section: 02.04 Topic: Chemistry; Acids and Bases Bloom's: 3. Apply Learning Outcome: 02.04.01 Distinguish between an acid and a base. Accessibility: Keyboard Navigation
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