Biochemistry Quiz

34 Questions  I  By Moon_games on June 27, 2010
A quiz to study for my bicohemistry test on chem basics

  

Question Excerpt

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1.  What charge do neutrons have?
A.
B.
C.
D.
E.
2.  What charge do electrons have?
A.
B.
C.
3.  What charge do protons have
A.
B.
C.
4.  What four elements make up 99% of living organisms?
A.
B.
C.
D.
5.  What is an isotope?Hint: same chemical formula, different structural formulae
A.
B.
C.
D.
6.  How do you know how many covalent bonds a molecule can form?
A.
B.
C.
D.
7.  Which bond is the strongest?
A.
B.
C.
D.
8.  Polarity is the _____ distribution of ____ either within a ______ or a ______
9.  Electronegativity of?
A.
B.
C.
D.
10.  An ion is
A.
B.
C.
D.
11.  Ionic bonding is the mutual attraction of _________ charged ions involving a _______ and a ________ where the _____ donates 1 or more electrons to the _______ making the ______ positively charged and the _______, negatively charged
12.  Difference between a molecule and a compound is?
A.
B.
C.
13.  A bond is non-polar covalent when the electronegativity is
A.
B.
C.
D.
E.
14.  A bond is ionic when the electronegativity is atleast
A.
B.
C.
D.
E.
15.  A covalent bond is when atoms bond by _____ electrons, if the electrons are shared _____ the bond is polar, if the electrons are shared _____ the bond is non-polar
16.  Polar covalent bonding is when electrons are shared and electronegativity is
A.
B.
C.
D.
E.
17.  What types of molecules cannot form hydrogen bonds with water?
A.
B.
C.
D.
E.
18.  Ionic bonding is an attempt to
A.
B.
C.
D.
19.  Van der waals forces are
A.
B.
C.
20.  Dipole-dipole forces hold ______ molecules to one another. As _____ molecules, have a partially _______ side and a partially _____ side, one polar molecules _____ side is going to attract to the other polar molecules _____ end. Dipole-dipole is stronger than ________
21.  London forces are
A.
B.
C.
D.
22.  An example of hydrogen bonding between two water molecules is when the ________ oxygen part of a water molecule  ________ bonds to the _______ hydrogen part of a water molecule
23.  Which of the following is not a property of water
A.
B.
C.
D.
24.  When talking about acids and bases, strong describe an acid or base means that it will ionize _______ and weak means it will ionize ________
25.  A buffer solution would comprise of
A.
B.
C.
D.
E.
26.  Compare and contrast a buffering agent and a buffering solution
27.  At pH 7 a solution is ______
28.  A solution with a pH less than 7 is _______
29.  A solution with a pH more than 7 is ________
30.  In a neutralization reaction an ____ is bonded to a ____. _____ and ____ are always result in the reaction.
31.  When acids are in water they ___ ___ a ___ ion and when bases are in water they ___ a ____ ion
32.  What is the difference between intramolecular and intermolecular bonding?
33.  Pure water is considered a neutral solution because it contains equal numbers of _____ and ____ ions
34.  Which 3 functional groups have a double bond
A.
B.
C.
D.
E.
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