The Elements
Practice Test
1.
Which group contains elements known as salt formers?
SC.A.2.4.5
a.
8A
b.
3A
c.
7A
d.
1A
2.
Which element is the most abundant in the universe?
a.
helium
b.
hydrogen
c.
oxygen
d.
lithium
3.
The elements in group 1A are grouped together because they __________.
SC.A.2.4.5
a.
are all metals
b.
are all solids at room temperature
c.
all have one valence electron
d.
are the lightest elements
4.
The most common sodium compound is ________.
a.
sodium hypochlorite
b.
sodium chloride
c.
sodium nitrate
d.
sodium phosphate
5.
The fewer unpaired electrons in the d sublevel of a transition metal, the __________.
SC.A.2.4.5
a.
lower the boiling point
b.
higher the boiling point
c.
greater the hardness
d.
higher the melting pointq
6.
Metals that are found to the right of the transition metals in the periodic table are located in the _________.
SC.A.2.4.5
a.
d-block
b.
s-block
c.
p-block
d.
f-block
7.
Which metal is the lightest?
SC.A.2.4.5
a.
aluminum
b.
lithium
c.
boron
d.
magnesium
8.
Many transition metals are valued in manufacturing because these metals ________. SC.A.2.4.5
a.
are strong and malleable
b.
are brittle
c.
are volatile
d.
are non-conductors
9.
An element or an inorganic compound that is found in nature as solid crystals is a __________.
a.
solution
b.
mineral
c.
trace element
d.
salt
10.
Which one of the following d-block elements would most likely have colored compounds?
a.
scandium
b.
titanium
c.
zinc
d.
vanadium
11.
Which of the following alkali metals is an important human nutrient?
a.
lithium
b.
potassium
c.
rubidium
d.
cesium
12.
Which one of the following elements will react most readily with chlorine?
a.
cesium
b.
sodium
c.
lithium
d.
rubidium
13.
The most abundant noble gas on Earth is _________.
a.
helium
b.
neon
c.
argon
d.
krypton
14.
The majority of actinide elements are known as _________.
SC.A.2.4.5
a.
transuranium elements
b.
coinage metals
c.
halogen elements
d.
lanthanide elements
15.
For which trace element in the table is the recommended daily allowance lowest?
Supplement Contents
Per Tablet
Element
Amount
% DV
Calcium
161 mg
16%
Chromium
25 µg
20%
Copper
2 mg
100%
Iodine
150 µg
100%
Manganese
2.5 mg
125%
Magnesium
100 mg
25%
Molybdenum
25 µg
33%
Phosphorus
09 mg
111%
Potassium
40 mg
1%
Selenium
20 µg
28%
Zinc
15 mg
100%
a.
molybdenum
b.
calcium
c.
copper
d.
selenium
