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WorksheetsPS Unit 2, Ch 1 Metals
Total questions: 41
Worksheet time: 21mins
Name
Class
Date
1.
The ability of a substance to be pulled into a wire is called
a)
luster
b)
malleability
c)
ductility
d)
conductivity
2.
The ability of a substance to be shaped or formed by hammering or pressure
a)
Luster
b)
Ductility
c)
Malleability
d)
Conductivity
3.
The force of attraction between metal atoms and the surrounding sea of electrons is called
a)
Luster
b)
Corrosion
c)
Reduction
d)
Metallic bonding
4.
Many metals are good conductors of heat AND electricity.
a)
True
b)
False
5.
Metallic bonding allows many metals to be good conductors because
a)
the strong attractions between the electrons keeps them in place
b)
it allows them to bond with other substances to make ores
c)
the outer electrons are able to move freely between atoms
d)
it makes them much more reactive
6.
The shininess of a metal occurs because the electrons absorb and reflect many different wavelengths of light. This property is called
a)
Luster
b)
Ductility
c)
Malleability
d)
Conductivity
7.
Metal atoms want to gain more electrons to complete their outer energy level. This makes them react easily with water or oxygen.
a)
True
b)
False
8.
The gradual wearing away of a metal due to chemical reaction where the metal becomes a metallic compound is called
a)
Rotting
b)
Corrosion
c)
Deterioriation
d)
Reduction
9.
Rusting is a common example of corrosion.
a)
True
b)
False
10.
A naturally-occurring rock from which a useful metal or mineral is recovered is called
a)
Elements
b)
Gold
c)
Ore
d)
Aluminum
11.
Most ores are ____________ that are chemically combined with other substances.
a)
Metals
b)
NonMetals
c)
Metalloids
12.
Four common groups of ores are
a)
chlorides, phosphides, oxides, silicates
b)
sulfates, fluorides, nitrides, oxides
c)
carbonates, oxides, nitrates, silicates
d)
sulfides, sulfates, silicates, oxides
13.
Gold and silver were among the first metals discovered because they are more reactive and are more likely to combine with nonmetals.
a)
True
b)
False
14.
Sulfides and sulfates are compounds that contain sulfur.
a)
True
b)
False
15.
Silicates are compounds formed of silicon, oxygen, and metals.
a)
True
b)
False
16.
Oxides are compounds containing nitrogen.
a)
True
b)
False
17.
The process of converting an ore into a free metal is called
a)
Conduction
b)
Reduction
c)
Deduction
d)
Combustion
18.
When we say a metal is very "reactive", it means that it is most likely to lose its valence electrons.
a)
True
b)
False
19.
Roasting is a method of reducing where the ores are heated in air. This method is best for
a)
ores that contain extremely reactive metals like aluminum
b)
ores that contain moderately reactive metals like iron
c)
ores that contain the least reactive metals like copper
20.
Heating ores with carbon (coke) is the method for reducing
a)
ores that contain extremely reactive metals like aluminum
b)
ores that contain moderately reactive metals like iron
c)
ores that contain the least reactive metals like copper
21.
Using electrical currents passed through molten salts to reduce the metal from its ore is needed for
a)
ores that contain extremely reactive metals like aluminum
b)
ores that contain moderately reactive metals like iron
c)
ores that contain the least reactive metals like copper
22.
Metal ores are renewable resources.
a)
True
b)
False
23.
What is the name of the Group I metals?
a)
Alkali
b)
Alkaline Earth
c)
Metalloid
d)
Halogen
24.
Each Alkali metal has 2 valence electrons.
a)
True
b)
False
25.
Alkali metals are very highly reactive because of their single valence electron.
a)
True
b)
False
26.
Because of the reactivity of alkali metals, they are always combined with other elements and are dangerous when not combined.
a)
True
b)
False
27.
Which is NOT a property of an alkali metal?
a)
low melting point
b)
high luster
c)
poor conductor
d)
malleable and ductile
28.
Which test can be used to identify alkali metals?
a)
acid test
b)
scratch test
c)
flame test
d)
radioactivity test (Geiger counter)
29.
Which is NOT true about the uses of alkali metals?
a)
Na combines to form table salt
b)
K is used in fertilizers, photography, and medicines
c)
Ca is used to make plaster, mortar, and cement
d)
Electrolytes in your body (Na and K) are essential for life
30.
Lithium is used in medicines to help control tremors and help with some psychological disorders.
a)
True
b)
False
31.
Rubidium is an essential part of space vehicle engines.
a)
True
b)
False
32.
Rubidium and Cesium are used to make photocells.
a)
True
b)
False
33.
Group II metals are called
a)
Alkali metals
b)
Alkaline-Earth Metals
c)
Metalloids
d)
Halogens
34.
Alkaline-Earth metals have 3 valence electrons.
a)
True
b)
False
35.
Alkaline-Earth metals are even more reactive than the Alkali metals.
a)
True
b)
False
36.
Beryllium is light and strong, so it is useful for space vehicles.
a)
True
b)
False
37.
Calcium is the most widely used alkaline-earth metal.
a)
True
b)
False
38.
Magnesium gives off an intense white light when burned, so it is useful for flashes, flares, and fireworks.
a)
True
b)
False
39.
Calcium is a very useful alkali metal since it is important for healthy teeth and bones.
a)
True
b)
False
40.
Calcium carbonate is found in limestone, and in the shells of snails, clams and oysters.
a)
True
b)
False
41.
Which alkaline-earth element is used in the treatment of cancer?
a)
Barium
b)
Radium
c)
Strontium
d)
Lithium
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