Chapter 3:
Introduction to the Periodic Table
Practice Test
1.
In a conductor such as silver, valence electrons are free to move to produce _____________.
a.
an electric current
b.
copper atoms
c.
nuclei
d.
electrical potential
Hint
2.
Plutonium and americium are ______________.
a.
Noble gases
b.
metalloids
c.
nonmetals
d.
synthetic elements
Hint
3.
This scientist arranged some elements in triads based on their atomic masses and other properties.
a.
Newlands
b.
Einstein
c.
Mendeleev
d.
Dobereiner
Hint
4.
What is the Group number of the alkali metals?
a.
1
b.
2
c.
4
d.
3
Hint
5.
n- and p-type semiconductors may be combined to form _____________.
a.
vacuum tubes
b.
cathode-ray tubes
c.
transistors
d.
diodes
Hint
6.
From beryllium to radium, you would expect the chemical reactivities of the elements in Group 2 to ____________.
a.
increase, then decrease
b.
decrease
c.
increase
d.
remain the same
Hint
7.
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.
periodic law
b.
Dobereiner's hypothesis
c.
Mendeleev theory
d.
Group theory
Hint
8.
These elements have six electrons in their outermost energy levels.
a.
Cr, Mo, and W
b.
He, Ne, and Ar
c.
O, S, and Se
d.
Cr, Mn, and Fe
Hint
9.
Lanthanides and actinides are known as _________________.
a.
inner transition elements
b.
halogens
c.
metalloids
d.
noble gases
Hint
10.
Except for hydrogen, the elements that are gases at room temperature are ____________.
a.
metals
b.
metalloids
c.
nonmetals
d.
actinides
Hint
11.
Noble gases are unreactive because they have a full complement of ________________.
a.
neutrons
b.
valence electrons
c.
protons
d.
inner-level electrons
Hint
12.
Which pair of elements would you expect to have similar properties?
a.
Si and Ge
b.
F and Ne
c.
Li and Fe
d.
Mg and Ti
Hint
13.
In general, a metal atom's valence electrons are _____________ the atomic nucleus.
a.
within
b.
loosely bound to
c.
tightly bound to
d.
very near
Hint
14.
In boron-doped silicon, electrons are said to move into and out of ___________.
a.
inner energy levels
b.
nuclei
c.
holes
d.
diodes
Hint
15.
The properties of the chemical elements in the periodic table occur in __________.
a.
no discernable pattern
b.
repeating patterns
c.
ascending sequence
d.
descending sequence
Hint
16.
A transistor may be produced by placing a p-typesemiconductor between two _______________.
a.
molecules
b.
electrons
c.
n-type semiconductors
d.
p-type semiconductors
Hint
17.
Heavy elements such as seaborgium are created in _____________.
a.
test tubes
b.
earthquakes
c.
particle accelerators
d.
erlenmeyer flasks
Hint
18.
These elements have some physical and chemical properties of metals and other properties of nonmetals.
a.
lanthanides
b.
actinides
c.
transition elements
d.
metalloids
Hint
19.
The Lewis electron dot structure for this element contains seven dots.
a.
zinc
b.
francium
c.
manganese
d.
iodine
Hint
20.
These two elements are liquids at room temperature and pressure.
a.
mercury and oxygen
b.
silver and nitrogen
c.
mercury and bromine
d.
lithium and cesium
Hint
