Periodic Properties of the Elements
Practice Test
1.
Ozone is an allotrope of this element.
a.
neon
b.
osmium
c.
lead
d.
oxygen
2.
The statement that the physical and chemical properties of the elements repeat in a regular pattern when they are arranged in order of increasing atomic number is known as the ______________.
a.
Mendeleev theory
b.
periodic law
c.
Dobereiner's hypothesis
d.
Group theory
3.
a.
red
b.
blue
c.
violet
d.
green
4.
When hydrogen and oxygen react to form water, ______________.
a.
energy is absorbed
b.
the mass increases
c.
the reaction is endothermic
d.
energy is released
5.
_________ is credited with formulating the modern atomic theory of matter, which has remained essentially intact up to the present time.
a.
Archimedes
b.
Proust
c.
Dalton
d.
Lavoisier
6.
These two elements combine to form water.
a.
carbon and oxygen
b.
carbon and hydrogen
c.
hydrogen and oxygen
d.
hydrogen and chlorine
7.
These elements have some physical and chemical properties of metals and other properties of nonmetals.
a.
transition elements
b.
metalloids
c.
lanthanides
d.
actinides
8.
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.
aluminum
b.
thallium
c.
indium
d.
gallium
9.
Mendeleev predicted the properties of these two elements, which were unknown at the time.
a.
boron and arsenic
b.
silicon and aluminum
c.
carbon and silicon
d.
gallium and germanium
10.
The light emitted by the gas in a neon sign is _________________.
a.
a filament
b.
an incandescent light
c.
an electron
d.
an emission spectrum
11.
Which of these is the electron configuration of an atom most likely to lose an electron?
a.
1s2 2s2 2p6
b.
[He]2s2 2p5
c.
1s2 2s2 2p6 3s2 3p6 4s1
d.
1s2 2s2 2p6 3s2 3p5
12.
These interact when atoms react.
a.
inner-level electrons
b.
neutrons
c.
only s-sublevel electrons
d.
valence electrons
13.
This element is a halogen.
a.
carbon
b.
bromine
c.
oxygen
d.
nitrogen
14.
This scientist compared the the motions of electrons in atoms to the motions of planets orbiting the sun.
a.
Thomson
b.
Rutherford
c.
Priestly
d.
Bohr
15.
This useful transition element is the major component in steel.
a.
tungsten
b.
nickel
c.
chromium
d.
iron
16.
The distance between corresponding points on two consecutive waves is called _____________.
a.
frequency
b.
wavelength
c.
speed
d.
amplitude
17.
Carbon dioxide is __________ in water.
a.
soluble
b.
insoluble
c.
a solid
d.
blue
18.
This transition element is used in many barometers and thermometers.
a.
titanium
b.
iron
c.
mercury
d.
copper
19.
When an iron atom loses all its 4s electrons and one 3d electron, its oxidation number is ______.
a.
5+
b.
11+
c.
3+
d.
1+
20.
Most alpha particles in Rutherford's gold-foil experiment ________________________.
a.
bounced back
b.
were deflected at small angles
c.
were deflected at large angles
d.
passed straight through the foil
