The Elements
Practice Test
1.
An element or an inorganic compound that is found in nature as solid crystals is a __________.
a.
mineral
b.
salt
c.
solution
d.
trace element
2.
Elements in group 7A are __________.
a.
alkaline earth metals
b.
alkali metals
c.
halogens
d.
noble gases
3.
All of the isotopes of _____ are radioactive.
a.
lithium
b.
francium
c.
rubidium
d.
potassium
4.
Which element is the most abundant metal in Earth’s crust?
a.
calcium
b.
aluminum
c.
sodium
d.
potassium
5.
The chloride of ____________ is colorless.
a.
Ca
2+
b.
Cu
2+
c.
Co
2+
d.
Cr
3+
6.
Which one of the following elements is unreactive enough to be found uncombined in nature?
a.
iron
b.
calcium
c.
aluminum
d.
gold
7.
Many transition metals are valued in manufacturing because these metals ________.
a.
are volatile
b.
are non-conductors
c.
are brittle
d.
are strong and malleable
8.
Most of the elements in the p-block are _________.
a.
liquids
b.
metals
c.
metalloids
d.
nonmetals
9.
Elements in the s-block are found in groups __________.
a.
1A and 2A
b.
3A through 8A
c.
1B and 2B
d.
1A through 8A
10.
Which one of the following elements will react most readily with chlorine?
a.
rubidium
b.
cesium
c.
sodium
d.
lithium
11.
The fewer unpaired electrons in the d sublevel of a transition metal, the __________.
a.
higher the melting pointq
b.
higher the boiling point
c.
greater the hardness
d.
lower the boiling point
12.
Which of the following statements is true of alkali metals?
a.
They do not easily lose valence electrons.
b.
They do not readily conduct electricity.
c.
They are highly stable.
d.
They easily lose a valence electron.
13.
Which one of the following d-block elements would most likely have colored compounds?
a.
titanium
b.
scandium
c.
zinc
d.
vanadium
14.
The major metallic element in the human skeleton is _________.
a.
barium
b.
calcium
c.
strontium
d.
beryllium
15.
Which element is the most abundant in the universe?
a.
hydrogen
b.
helium
c.
lithium
d.
oxygen
