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Worksheets02D Quiz
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
An alloy is a mixture of metals, ___ types are common.
a)
Three
b)
Two
c)
Four
d)
Ten
2.
Metals/alloys have ______ bonds.
a)
Strong
b)
Weak
c)
Salty
d)
Poor
3.
What are the two most common types of alloys?
a)
Interstitial alloy & Substitutional alloy
b)
Intermetallic alloy & Substitutional alloy
c)
Interstitial alloy & Solution alloy
d)
Intermetallic alloy & Solution alloy
4.
Diamond and graphite are allotropes, made entirely of _____ atoms.
a)
Oxygen
b)
Hydrogen
c)
Carbon
d)
Helium
5.
When temperature _________, conductivity________.
a)
Increases, decreases
b)
Decreases, increases
c)
Increases, increases
d)
Decreases, decreases
6.
The elements of group __ can make four covalent bonds.
a)
1
b)
18
c)
13
d)
14
7.
______ and _______ are allotropes, made entirely of carbon atoms, and covalently bonded together in a continuous network.
a)
Diamond, graphite
b)
Dioxygen, ozone
8.
Metals/Alloys are good conductors of electricity because of their 'sea' of electrons.
a)
True
b)
False
9.
Molecular solids are made from _______.
a)
Metals
b)
Non-metals
10.
_____ is an example of a pure semi conductor.
a)
Silicon
b)
Diamond
c)
Graphite
d)
Bernard Perrin
11.
Pure semi-conductors are generally _____ conductors of electricity.
a)
Poor
b)
Good
12.
______ is an example of a ionic substance.
a)
SiO2
b)
CO2
c)
KCl
d)
Na
13.
Discrete covalent substances are made up of _____.
a)
A metal and metal
b)
A metal and non-metal
c)
A non-metal and non-metal
14.
Giant covalent bonds are _____.
a)
Strong
b)
Weak
15.
Ionic bonds include a ____ and _____.
a)
Metal, non-metal
b)
Metal, metal
c)
Non-metal, non- metal
16.
Metals/alloys have strong but ______ bonds.
a)
Flexible
b)
Inflexible
c)
Weak
d)
Low
17.
Giant covalent bonds are ____ conductors.
a)
Train
b)
Poor
c)
Strong
d)
Rich
18.
Ionic substances have ____ lattice.
a)
Small
b)
Narrow
c)
Giant
d)
Wide
19.
Diamond and graphite have high melting points.
a)
True
b)
False
20.
Are discrete and giant covalent substances both good conductors?
a)
No
b)
Yes
c)
It depends on the day
d)
I don't care
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