Chapter 6:
The Periodic Table and Periodic Law
Practice Test
1.
Which of the following are poor conductors of heat and electricity?
a.
nonmetals
b.
alkaline earth elements
c.
metals
d.
metalloids
Hint
2.
Elements in the d block are also known as _______________.
a.
alkaline earth metals
b.
alkali metals
c.
lanthanide metals
d.
transition metals
Hint
3.
When most atoms form ions, how many electrons do they have in the valence levels?
a.
two
b.
eight
c.
one
d.
seven
Hint
4.
Halogens are good disinfectants. Which of the following is a halogen?
a.
O
b.
N
c.
Cl
d.
Fe
Hint
5.
In general, when comparing ions to their atoms, what trend is observed?
a.
Positive ions are larger and negative ions are larger than their corresponding atoms.
b.
Positive ions are smaller and negative ions are larger than their corresponding atoms.
c.
Positive ions are smaller and negative ions are smaller than their corresponding atoms.
d.
Positive ions are larger and negative ions are smaller than their corresponding atoms.
Hint
6.
Which atom or ion has 16 protons and 18 electrons?
a.
F
-
b.
Ne
2+
c.
N
+
d.
S
2-
Hint
7.
Atoms that lose electrons to form positive ions are __________.
a.
metals
b.
metalloids
c.
noble gases
d.
nonmetals
Hint
8.
How many protons are present in Ba
2+
?
a.
58
b.
0
c.
54
d.
56
Hint
9.
Columns on the periodic table are known as __________.
a.
periods
b.
metalloids
c.
groups
d.
nonmetals
Hint
10.
Which of the blocks on the periodic table contains the most elements?
a.
d block
b.
p block
c.
f block
d.
s block
Hint
11.
How many protons and electrons are present in Al
3+
?
a.
10 protons, 10 electrons
b.
13 protons, 13 electrons
c.
13 protons, 10 electrons
d.
10 protons, 13 electrons
Hint
12.
Which group on the periodic table is known as the halogens?
a.
group 2A
b.
group 1A
c.
group 7A
d.
group 8A
Hint
13.
Which of the following is the general valence electron configuration for the alkaline earth elements?
a.
ns
1
b.
ns
2
c.
ns
2
np
2
d.
ns
2
np
1
Hint
14.
The ionic compound, sodium chloride, is formed from atoms of the elements sodium and chlorine. What happens to the size of each atom when it forms an ion?
a.
Sodium decreases in size and chlorine decreases in size.
b.
Sodium increases in size and chlorine decreases in size.
c.
Sodium decreases in size and chlorine increases in size.
d.
Sodium increases in size and chlorine increases in size.
Hint
15.
Which of the following have the same number of electrons?
Cl
-
, O
2-
, F, Ca
2+
, Fe
3+
a.
Ca
2+
and Cl
-
b.
F and Cl
-
c.
Ca
2+
and Fe
3+
d.
O
2-
and F
Hint
16.
Atoms of elements in group 1A have ____________.
a.
two electrons in their outermost energy level
b.
one electron in their outermost energy level
c.
seven electrons in their outermost energy level
d.
eight electrons in their outermost energy level
Hint
17.
The atomic radius generally _______________ on the periodic table.
a.
increases bottom to top and from right to left
b.
increases from top to bottom and from left to right
c.
increases from top to bottom and from right to left
d.
increases from bottom to top and from left to right
Hint
18.
Which of the following is an ion?
a.
O
2-
b.
lithium-3
c.
C
d.
HCl
Hint
19.
What is the name for the amount of energy required to remove an electron from an atom?
a.
ground state energy
b.
dissociation energy
c.
electron affinity
d.
ionization energy
Hint
20.
Which block consists of the elements in groups 3A through 8A?
a.
d block
b.
s block
c.
p block
d.
f block
Hint
