Section 3.1
Development of the Periodic Table
Practice Test
1.
The properties of the chemical elements in the periodic table occur in ______________.
a.
ascending sequence
b.
descending sequence
c.
do discernable pattern
d.
repeating patterns
Hint
2.
This scientist arranged some elements in triads based on their atomic masses and other properties.
a.
Dobereiner
b.
Einstein
c.
Mendeleev
d.
Newlands
Hint
3.
Mendeleev saw that properties of the elements repeated in an orderly way when he organized them according to ______________.
a.
decreasing atomic number
b.
increasing atomic mass
c.
increasing atomic size
d.
increasing volume
Hint
4.
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.
Group 2, the alkaline earth metals
d.
the transition elements
Hint
5.
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.
Dobereiner's hypothesis
b.
Group theory
c.
Mendeleev theory
d.
periodic law
Hint
6.
Which pair of elements would you expect to have similar properties?
a.
F and Ne
b.
Li and Fe
c.
Mg and Ti
d.
Si and Ge
Hint
7.
Mendeleev predicted the properties of these two elements, which were unknown at the time.
a.
boron and arsenic
b.
carbon and silicon
c.
gallium and germanium
d.
silicon and aluminum
Hint
8.
These two elements are liquids at room temperature and pressure.
a.
lithium and cesium
b.
mercury and bromine
c.
mercury and oxygen
d.
silver and nitrogen
Hint
9.
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
