Fundamentals of General, Organic, and Biological Chemistry 8th edition by John E. McMurry test bank

D) water
E) wine
Answer:  B
Diff: 1
Section:  1.4
LO:  1.4
Global LO:  G1
 

30) What is the chemical symbol for chlorine?
A) C
B) Ca
C) Cl
D) Cr
E) Cu
Answer:  C
Diff: 1
Section:  1.4
LO:  1.4
Global LO:  G2
 
31) What is the chemical symbol for calcium?
A) C
B) Ca
C) Cl
D) Cr
E) Cu
Answer:  B
Diff: 1
Section:  1.4
LO:  1.4
Global LO:  G2
 
32) The most common element by mass percent in the human body is
A) carbon.
B) hydrogen.
C) oxygen
D) sulfur.
E) phosphorus.
Answer:  C
Diff: 1
Section:  1.4
LO:  1.4
Global LO:  G2
33) Xylene, a compound with the formula C8H10, is composed of
A) any combination of atoms of carbon and hydrogen in a four to five ratio.
B) eight atoms of carbon and ten atoms of hydrogen.
C) eight atoms of calcium and ten atoms of helium.
D) ten atoms of carbon and eight atoms of hydrogen.
E) any combination of atoms of carbon and hydrogen that add up to 18 total.
Answer:  B
Diff: 1
Section:  1.4
LO:  1.4
Global LO:  G2
 
34) Which symbol does not denote a compound?
A)
B)
C)
D) Cr
E) Ca
Answer:  D
Diff: 1
Section:  1.4
LO:  1.4
Global LO:  G2
 
35) Which element is not essential for human life?
A) C
B) H
C) P
D) Pb
E) Ca
Answer:  D
Diff: 1
Section:  1.4
LO:  1.4
Global LO:  G2
 
36) What is the symbol for tungsten?
A) W
B) Tu
C) Sn
D) St
E) Ti
Answer:  A
Diff: 1
Section:  1.4
LO:  1.4
Global LO:  G2

37) What element is represented by the chemical symbol K?
A) kaolin
B) phosphorus
C) potassium
D) silver
E) sodium
Answer:  C
Diff: 2
Section:  1.4
LO:  1.4
Global LO:  G2
 
38) Of the elements listed, the most abundant by mass percent in the earth's crust is
A) silicon.
B) aluminum.
C) hydrogen.
D) iron.
E) sodium.
Answer:  A
Diff: 2
Section:  1.4
LO:  1.4
Global LO:  G2
 
39) The formula for ammonia, , represents a compound composed of
A) one atom of nickel and three atoms of hydrogen.
B) one atom of nitrogen and three atoms of hydrogen.
C) three atoms of nitrogen and three atoms of hydrogen.
D) three atoms of nitrogen and one atom of hydrogen.
E) one atom of nitrogen and three atoms of helium.
Answer:  B
Diff: 2
Section:  1.4
LO:  1.4
Global LO:  G4
 
40) The formula for sodium carbonate, , represents a compound composed of
A) two atoms of sodium, three atoms of carbon, and three atoms of oxygen.
B) two atoms of sodium, one atom of carbon, and three atoms of oxygen.
C) six atoms of sodium, two atoms of carbon, and six atoms of oxygen.
D) one atom of sodium and one atom of carbonate.
E) two atoms of sodium and three atoms of carbonate.
Answer:  B
Diff: 2
Section:  1.4
LO:  1.4
Global LO:  G4
41) The formula for glucose, C6H12O6, represents a compound composed of
A) six atoms of carbon, twelve atoms of hydrogen, and six atoms of oxygen.
B) six atoms of carbon, ten atoms of hydrogen, and four atoms of oxygen.
C) one atom of carbon, two atoms of hydrogen, and one atom of oxygen.
D) six atoms of carbon and six atoms of water.
E) six atoms of carbon and two atoms of water.
Answer:  A
Diff: 2
Section:  1.4
LO:  1.4
Global LO:  G4
 
42) Amphetamine, a commonly abused drug, is composed of nine atoms of carbon, 13 atoms of hydrogen, and one atom of nitrogen. The chemical formula of amphetamine is written
A) C9H13N1.
B) C9H13.
C) C9H13N.
D) C13H93N0.
E) C9H1N13.
Answer:  C
Diff: 3
Section:  1.4
LO:  1.4
Global LO:  G4
 
43) Caffeine, the active ingredient in coffee, is composed of eight atoms of carbon, ten atoms of hydrogen, and four atoms of nitrogen, and two atoms of oxygen. The chemical formula of caffeine is written
A) CHNO
B) C8H10N4O2
C) C8H10N4
D) C8H12N4O4
E) C8H10N4O
Answer:  B
Diff: 3
Section:  1.4
LO:  1.4
Global LO:  G4

44) Consider the chemical reaction described as
 
            mercury(II) oxide  mercury + oxygen.