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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 OHthereby increasing the acidity of the
solution.
D) Antacids contain mostly water and so they neutralize the 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

BIOLOGY 13TH EDITION MADER TEST BANK

2
Copyright 2019 © McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior
written consent of McGraw-Hill Education.
3) If you place the corner of a paper towel into a droplet of water, the water moves into the paper
towel. Which of the following would explain the movement of the water?
A) surface tension
B) cohesion
C) adhesion
D) Both cohesion and adhesion.
Answer: D
Explanation: Both cohesion and adhesion explain the movement of water through a paper towel.
Cohesion is holding the water molecules together within the droplet. The water molecules are
attracted to the paper which is adhesion.
Section: 02.03
Topic: Chemistry; Chemistry of Water
Bloom’s: 3. Apply
Learning Outcome: 02.03.02 Describe why the properties of water are important to life.
Accessibility: Keyboard Navigation
4) The periodic table displays the following information about the element phosphorus:
15
P
30.794
Based on this information, which of the following are true statements about phosphorus? Select
all that apply.
A) The atomic number of phosphorus is 30.794.
B) Phosphorus has 15 protons.
C) Phosphorus has 30.794 electrons.
D) Phosphorus has a complete valence shell.
E) Phosphorus will form chemical bonds with other elements.
Answer: B, E
The atomic number of phosphorus is 15. This means it has 15 protons (15 positive charges) and
therefore 15 electrons. The first two electron shells would be full but its valence shell would be
incomplete with 5 out of 8 electrons and therefore it will form chemical bonds with other
elements.
Section: 02.01
Topic: Chemical Elements
Bloom’s: 3. Apply
Learning Outcome: 02.01.02 Use the periodic table to evaluate relationships between atomic
number and mass number.; 02.01.04 Determine how electrons are configured around a nucleus.
Accessibility: Keyboard Navigation