Periodic Properties of the Elements
Practice Test
1.
The elements in Groups 1, 2, and 13-17 are called the _____________.
a.
main group elements
b.
alkali metals
c.
transition elements
d.
noble gases
2.
A radioactive isotope of this alkaline-earth metal with a mass number of 90 can replace calcium in the hydroxyapatite of bones.
a.
strontium
b.
magnesium
c.
barium
d.
beryllium
3.
Metallic sodium is obtained from NaCl through _________.
a.
electrolysis
b.
freezing
c.
condensation
d.
thermal decomposition
4.
This nonmetal is used to increase the hardness of steel.
a.
carbon
b.
oxygen
c.
chlorine
d.
nitrogen
5.
Among the elements fluorine, lithium, cesium, and astatine, which would you expect to have the smallest atomic radius?
a.
cesium
b.
astatine
c.
fluorine
d.
lithium
6.
In general, atomic size ___________ from left to right across a period.
a.
increases, then decreases
b.
decreases
c.
increases
d.
remains the same
7.
Which elements would you expect to be the most reactive alkaline earth metal?
a.
radium
b.
beryllium
c.
lithium
d.
francium
8.
Many towns and cities add these compounds to their water supplies.
a.
sulfides
b.
carbides
c.
hydrides
d.
fluorides
9.
This halogen is absorbed readily by the thyroid gland.
a.
iodine
b.
bromine
c.
fluorine
d.
chlorine
10.
In general, atomic size ___________ from top to bottom within a Group.
a.
remains the same
b.
increases, then decreases
c.
decreases
d.
increases
11.
This transition element is commonly used as a coating on iron and steel to prevent corrosion.
a.
scandium
b.
zinc
c.
niobium
d.
gold
12.
To prevent unintended reactions, sodium and potassium are kept in _____________.
a.
water
b.
ice
c.
oil
d.
air
13.
This useful transition element is the major component in steel.
a.
tungsten
b.
iron
c.
nickel
d.
chromium
14.
Many transition elements have multiple positive oxidation states because their atoms can lose some of their _______________.
a.
s electrons
b.
d electrons
c.
nuclear protons
d.
p electrons
15.
Atoms that transfer electrons form __________ bonds.
a.
dative
b.
covalent
c.
coordinate
d.
ionic
16.
This transition element is used in many barometers and thermometers.
a.
titanium
b.
copper
c.
iron
d.
mercury
17.
_______________ is a measure of the size of an atom.
a.
Nuclear charge
b.
Oxidation number
c.
Atomic radius
d.
Number of electrons
18.
This Group 13 metal is obtained from its ore in a process that consumes about 5% of the electricity produced in the U.S.
a.
indium
b.
gallium
c.
aluminum
d.
thallium
19.
These elements are soft, silvery metals and good conductors of heat and electricity.
a.
transition elements
b.
metalloids
c.
halogens
d.
alkali metals
20.
These two Group 15 elements are important components of many fertilizers.
a.
antimony and arsenic
b.
bismuth and phosphorus
c.
nitrogen and arsenic
d.
nitrogen and phosphorus
