(1) The most active nonmetals on the periodic table have
(A) large radii and
high electronegativities.
(B) small radii and low electronegativities.
(C) small radii and high ionization energies.
(D) large radii and low ionization energies.
(2) The density of a block of metal is determined by weighing
it, then submerging it in water. Based on these data, to how many
significant figures should the density be reported?
Data
mass of block
25.472 g
volume of H2O
10.50 mL
volume of H2O
with block
20.00 mL
(A) 2
(B) 3
(C) 4
(D) 5
(3) Which of the following is incorrect?
(A) 1 L = 1000 cm3
(B) 1 m = 100 cm
(C) 1 mL = 1 cm3
(D) 1 L = 1 m3
(E) 1 mL = 10-6 m3
(4) The oxidation state of manganese in KMnO4
is
(A) +1
(B) +2
(C) +3
(D) +4
(E) +7
(5) The type of reaction illustrated by the equation below is
_____.
K2CO3(s) → K2O(s) +
CO2(g)
(A) synthesis
(B) decomposition
(C) combustion
(D) precipitation
(E) acid-base neutralization
(6) Which measurement contains three significant figures?
(A) 2.00 cm3
(B) 0.020 cm3
(C) 0.02 cm3
(D) 0.002 cm3
(7) How does the vapor pressure of a liquid in a stoppered flask
change if the quantity of liquid is doubled?
(A) It doubles
(B) It increases slightly
(C) It decreases.
(D) It does not change.
(8) Which element has a partially filled d subshell?
Ba
V
K
Bi
(9) How many orbitals have the quantum numbers n = 4 and l =
3?
(A) 1
(B) 3
(C) 5
(D) 7
(10) Which element has the highest second
ionization energy?
(A) Be
(B) Li
(C) B
(D) C
(11) Which ion in the gaseous state has the greatest number of
unpaired electrons?
(A)
Ni2+
(B) Cu2+
(C) Zn2+
(D) Ge2+
(12) Which property decreases crossing the periodic table from
left to right and increases from top to bottom?
(A) ionization
energy
(B) electron affinity
(C) electronegativity
(D) atomic radius
(13) Which compound contains both covalent and ionic bonds?
(A) calcium oxide,
CaO
(B) methyl fluoride, CH3F
(C) sodium peroxide, Na2O2
(D) hypochlorous acid, HOCl
(14) Chlorine exists as a(n) _____ in its elemental form.
(A) anion
(B) single atom
(C) cation
(D) diatomic molecule
(E) triatomic molecule
(15) Which element has the greatest electronegativity?
(A) As
(B) Ge
(C) P
(D) Sb
(16) Fluorine has a mass number of 19. The total number of
subatomic
particles in a fluorine atom is:
(A)
9
(B)
10
(C)
18
(D)
19
(E) 28
(17) Dry ice (solid carbon dioxide) is a(n) _____.
(A) element
(B) compound
(C) homogeneous mixture (solution)
(D) heterogeneous mixture
(18) Ketene has the formula H2C=C=O. How many
sigma and pi bonds does it have?
Sigma bonds
pi bonds
(A)
6
2
(B)
6
0
(C)
4
2
(D)
2
2