The Kinetic Theory of Matter
Practice Test
1.
These two elements are liquids at room temperature and pressure.
a.
lithium and cesium
b.
mercury and bromine
c.
mercury and oxygen
d.
silver and nitrogen
2.
The two rows beneath the main body of the periodic table contain the _________________.
a.
noble gases
b.
alkali metals
c.
halogens
d.
inner transition elements
3.
The temperature of a substance _________________ as its heat of fusion is added to melt it.
a.
decreases
b.
remains relatively constant
c.
remains at 0 K
d.
increases rapidly
4.
When strontium atoms react with oxygen atoms, they form __________ bonds.
a.
covalent
b.
polar covalent
c.
ionic
d.
triple
5.
Sodium and chlorine react to produce ______________.
a.
liquid sodium
b.
gaseous chlorine
c.
sodium chloride
d.
sodium chlorine
6.
When an iron atom loses all its 4s electrons and one 3d electron, its oxidation number is ______.
a.
1+
b.
5+
c.
3+
d.
11+
7.
The shielding effect is the tendency of inner energy level electrons to block the attraction of the nucleus for ________________.
a.
protons
b.
neutrons
c.
valence electrons
d.
other atoms
8.
The center of positive charge in the H
2
O molecule lies ______________________.
a.
on one of the hydrogen atoms
b.
on the oxygen atom
c.
between the two hydrogen atoms
d.
in the geometric center of the molecule
9.
A radioactive isotope of this alkaline-earth metal with a mass number of 90 can replace calcium in the hydroxyapatite of bones.
a.
magnesium
b.
strontium
c.
beryllium
d.
barium
10.
Atoms that transfer electrons form __________ bonds.
a.
covalent
b.
dative
c.
coordinate
d.
ionic
11.
Energy sublevels are designated _____________.
a.
a, b, c, and d
b.
s, p, d, and f
c.
x, y, and z
d.
1, 2, 3, and 4
12.
The arrangement of electron pairs around each of the two carbon atoms in the ethene molecule, C
2
H
4
, is best described as _________________.
a.
square planar
b.
linear
c.
trigonal planar
d.
tetrahedral
13.
At the same temperature, ethanol has _____________ vapor pressure than water.
a.
a much lower
b.
a somewhat lower
c.
a much higher
d.
about the same
14.
This transition element is used in many barometers and thermometers.
a.
iron
b.
copper
c.
titanium
d.
mercury
15.
This useful transition element is the major component in steel.
a.
tungsten
b.
chromium
c.
nickel
d.
iron
16.
Which pair of elements would you expect to have similar properties?
a.
Li and Fe
b.
Si and Ge
c.
Mg and Ti
d.
F and Ne
17.
Except for hydrogen, the elements that are gases at room temperature are ____________.
a.
metals
b.
metalloids
c.
actinides
d.
nonmetals
18.
a.
blue
b.
violet
c.
green
d.
red
19.
___________ is the most common form of matter in the universe but the least common on Earth.
a.
Plasma
b.
Liquid
c.
Gas
d.
Solid
20.
A _________ is a flowing, compressible state of matter that has no definitie shape or volume.
a.
plasmoid
b.
liquid
c.
solid
d.
gas
