Test Prep Test Prep Certifications HESI-A2 Questions & Answers

• Question 131:

  The strongest bond between liquid water molecules is called ____.

  A. an ionic bond

  B. a hydrogen bond

  C. a metallic bond

  D. an oxygen bond

  Correct Answer: B

• Question 132:

  According to the theory of the same name, after the "Big Bang" there were only what two things?

  A. mass and gravity

  B. neutrons and electrons

  C. matter and antimatter

  D. space and time

  Correct Answer: C

• Question 133:

  A catalyst increases which of these in a chemical reaction?

  A. activation energy

  B. energetic state

  C. rate

  D. heat

  Correct Answer: C

• Question 134:

  The vertical columns of the periodic table are called ____.

  A. periods

  B. groups

  C. rows

  D. elements

  Correct Answer: B

• Question 135:

  Bleaches, disinfectants, and salts often contain elements from which nonmetal group?

  A. noble gases

  B. actinides

  C. halogens

  D. hydrogen

  Correct Answer: C

• Question 136:

  Which is not a property of metals?

  A. thermal conduction

  B. low density

  C. high melting point

  D. malleability

  Correct Answer: B

• Question 137:

  Which of these is not a component of lipids?

  A. iron

  B. hydrogen

  C. oxygen

  D. carbon

  Correct Answer: A

• Question 138:

  Simple carbohydrates composed of a single ring are also called ____.

  A. polysaccharides

  B. hydroxyl groups

  C. disaccharides

  D. monosaccharides

  Correct Answer: D

• Question 139:

  Which of these is a water-soluble vitamin?

  A. vitamin E

  B. vitamin D

  C. vitamin C

  D. vitamin K

  Correct Answer: C

• Question 140:

  In the formula C12H22O11, the 12 following the carbon represents 12 ____ of carbon.

  A. atoms

  B. neutrons

  C. electrons

  D. molecules

  Correct Answer: A