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.
A transistor may be produced by placing a p-typesemiconductor between two _______________.
a.
molecules
b.
n-type semiconductors
c.
p-type semiconductors
d.
electrons
Hint
3.
Mendeleev saw that properties of the elements repeated in an orderly way when he organized them according to ______________.
a.
increasing volume
b.
increasing atomic size
c.
decreasing atomic number
d.
increasing atomic mass
Hint
4.
These elements have six electrons in their outermost energy levels.
a.
Cr, Mn, and Fe
b.
Cr, Mo, and W
c.
O, S, and Se
d.
He, Ne, and Ar
Hint
5.
This element is a halogen.
a.
bromine
b.
carbon
c.
nitrogen
d.
oxygen
Hint
6.
Which pair of elements would you expect to have similar properties?
a.
Mg and Ti
b.
Si and Ge
c.
F and Ne
d.
Li and Fe
Hint
7.
These two elements are liquids at room temperature and pressure.
a.
silver and nitrogen
b.
lithium and cesium
c.
mercury and bromine
d.
mercury and oxygen
Hint
8.
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.
Group theory
b.
Dobereiner's hypothesis
c.
Mendeleev theory
d.
periodic law
Hint
9.
These elements have some physical and chemical properties of metals and other properties of nonmetals.
a.
lanthanides
b.
metalloids
c.
transition elements
d.
actinides
Hint
10.
From beryllium to radium, you would expect the chemical reactivities of the elements in Group 2 to ____________.
a.
remain the same
b.
increase
c.
decrease
d.
increase, then decrease
Hint
11.
n- and p-type semiconductors may be combined to form _____________.
a.
cathode-ray tubes
b.
vacuum tubes
c.
transistors
d.
diodes
Hint
12.
This scientist arranged some elements in triads based on their atomic masses and other properties.
a.
Dobereiner
b.
Mendeleev
c.
Einstein
d.
Newlands
Hint
13.
Mendeleev predicted the properties of these two elements, which were unknown at the time.
a.
boron and arsenic
b.
gallium and germanium
c.
silicon and aluminum
d.
carbon and silicon
Hint
14.
In boron-doped silicon, electrons are said to move into and out of ___________.
a.
inner energy levels
b.
diodes
c.
holes
d.
nuclei
Hint
15.
Except for hydrogen, the elements that are gases at room temperature are ____________.
a.
metals
b.
nonmetals
c.
actinides
d.
metalloids
Hint
16.
The properties of the chemical elements in the periodic table occur in __________.
a.
no discernable pattern
b.
ascending sequence
c.
repeating patterns
d.
descending sequence
Hint
17.
What is the Group number of the alkali metals?
a.
1
b.
3
c.
2
d.
4
Hint
18.
Lanthanides and actinides are known as _________________.
a.
noble gases
b.
inner transition elements
c.
halogens
d.
metalloids
Hint
19.
Plutonium and americium are ______________.
a.
nonmetals
b.
Noble gases
c.
synthetic elements
d.
metalloids
Hint
20.
What group of elements was unknown to Mendeleev when he first organized his periodic table?
a.
Group 18, the noble gases
b.
Group 1, the alkali metals
c.
the transition elements
d.
Group 2, the alkaline earth metals
Hint
