Which of the following is a neutralization reaction?
A) NH3 + H+ NH4+2
B) HCl + NaOH NaCl + H2O
C) HCl H+ + Cl-
D) NaOH Na+ + OH-
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Question 2) An atom with 3 electrons in its outermost (valence) shell may have a total of ________ electrons altogether.
A) 13
B) 8
C) 17
D) 3
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Question 3) Buffers resist abrupt and large changes in the pH of body fluids by releasing or binding ions.
Indicate whether the statement is true or false
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Question 4) The lower the pH, the higher the hydrogen ion concentration.
Indicate whether the statement is true or false
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Question 5) What does the formula C6H12O6 mean?
A) The substance is a colloid.
B) There are 6 calcium, 12 hydrogen, and 6 oxygen atoms.
C) The molecular weight is 24.
D) There are, 6 carbon, 12 hydrogen, and 6 oxygen atoms.
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Question 6) Mixtures are combinations of elements or compounds that are physically blended together but are not bound by chemical bonds.
Indicate whether the statement is true or false
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Question 7) Glycogen, the storage form of glucose, is primarily stored in skeletal muscle and liver cells.
Indicate whether the statement is true or false
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Question 8) If atom X has an atomic number of 74 it would have which of the following?
A) 37 protons and 37 neutrons
B) 37 protons and 37 electrons
C) 37 electrons
D) 74 protons
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Question 9) The pH of body fluids must remain fairly constant for the body to maintain homeostasis.
Indicate whether the statement is true or false
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Question 10) Glucose is an example of a monosaccharide.
Indicate whether the statement is true or false
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