Section 6.1
Development of the Modern Periodic Table
Practice Test
1.
Why was Mendeleev's periodic table widely accepted?
a.
He organized the first 14 known elements.
b.
He predicted the existence and properties of undiscovered elements.
c.
He was the first to notice a pattern of similar properties among elements.
d.
His periodic table listed all of the elements in the correct order.
Hint
2.
In what part of the periodic table would you expect to find an element that emits light when struck by electrons?
a.
actinide series
b.
lanthanide series
c.
group 2A elements
d.
group 3A elements
Hint
3.
Columns on the periodic table are known as __________.
a.
metalloids
b.
periods
c.
nonmetals
d.
groups
Hint
4.
Which of the following are poor conductors of heat and electricity?
a.
metals
b.
metalloids
c.
nonmetals
d.
alkaline earth elements
Hint
5.
Which group on the periodic table is known as the halogens?
a.
group 1A
b.
group 2A
c.
group 8A
d.
group 7A
Hint
6.
Which group on the periodic table is known as the alkaline earth metals?
a.
group 1A
b.
group 2A
c.
group 8A
d.
group 7A
Hint
7.
Which of the following elements is a metalloid?
a.
As
b.
Na
c.
W
d.
F
Hint
8.
Halogens are good disinfectants. Which of the following is a halogen?
a.
N
b.
O
c.
Cl
d.
Fe
Hint
