The Periodic Table and Periodic Law
Practice Test
1.
Which group on the periodic table is known as the alkaline earth metals?
a.
group 2A
b.
group 7A
c.
group 8A
d.
group 1A
2.
Halogens are good disinfectants. Which of the following is a halogen?
a.
Cl
b.
Fe
c.
N
d.
O
3.
How many protons are present in Ba
2+
?
a.
56
b.
54
c.
0
d.
58
4.
In general, when comparing ions to their atoms, what trend is observed?
a.
Positive ions are larger and negative ions are smaller than their corresponding atoms.
b.
Positive ions are smaller and negative ions are smaller than their corresponding atoms.
c.
Positive ions are smaller and negative ions are larger than their corresponding atoms.
d.
Positive ions are larger and negative ions are larger than their corresponding atoms.
5.
Which of the following is an ion?
a.
lithium-3
b.
O
2-
c.
C
d.
HCl
6.
Which of the following elements is a metalloid?
a.
Na
b.
W
c.
As
d.
F
7.
How would you classify an element that has an electron configuration of [Kr]5s
2
4d
10
5p
5
?
a.
a transition metal
b.
a noble gas
c.
a representative element
d.
an alkali metal
8.
Atoms of elements in group 1A have ____________.
a.
two electrons in their outermost energy level
b.
seven electrons in their outermost energy level
c.
one electron in their outermost energy level
d.
eight electrons in their outermost energy level
9.
Why was Mendeleev's periodic table widely accepted?
a.
He predicted the existence and properties of undiscovered elements.
b.
He organized the first 14 known elements.
c.
His periodic table listed all of the elements in the correct order.
d.
He was the first to notice a pattern of similar properties among elements.
10.
Which of the blocks on the periodic table contains the most elements?
a.
f block
b.
s block
c.
p block
d.
d block
11.
Columns on the periodic table are known as __________.
a.
metalloids
b.
nonmetals
c.
groups
d.
periods
12.
Which block consists of the elements in groups 3A through 8A?
a.
f block
b.
p block
c.
d block
d.
s block
13.
Elements in the d block are also known as _______________.
a.
transition metals
b.
alkaline earth metals
c.
alkali metals
d.
lanthanide metals
14.
Which of the following elements is most likely to form a negatively-charged ion?
a.
F
b.
Br
c.
I
d.
Cl
15.
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 right to left
c.
increases from bottom to top and from left to right
d.
increases from top to bottom and from left to right
