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Worksheetsbonding
Total questions: 26
Worksheet time: 18mins
Name
Class
Date
1.
Which of the following is a characteristic property of ionic compounds?
a)
They form hard, brittle crystals with characteristic shapes
b)
They have low melting points
c)
They have low boiling points
d)
They contain no charged particles
2.
In what form can an ionic compound conduct electricity?
a)
when dissolved in water
b)
as a solid
c)
as a crystal
d)
when warmed slightly
3.
What is the chemical name for the compound with the formula Na₂S?
a)
sodium sulfide
b)
sodium fluoride
c)
magnesium sulfide
d)
lithium oxide
4.
What is the name of PS3?
a)
phosphorus trisulfide
b)
phosphorus chloride
c)
phosphide trisulfide
d)
phosphate
5.
What is a valence electron?
a)
an electron that is found in the outermost shell of an atom.
b)
an electron found in the innermost shell of an atom.
c)
an electron found in the middle shell.
6.
Which is the correct lewis dot structure for calcium chloride?
a)
A
b)
B
c)
C
7.
According to the diagram below, how many bonds will this atom need to make to be stable?
a)
1
b)
2
c)
3
d)
4
8.
Which has a 2D hexagonal layered structure?
a)
graphite
b)
diamond
c)
fullerene
d)
all of these
9.
Which has a every carbon atom covalently bonded to three others?
a)
graphite
b)
diamond
c)
fullerene
d)
two of these
10.
What structure is shown in the diagram?
a)
Diamond
b)
Graphite
11.
Which has weak dispersion forces in between layers?
a)
graphite
b)
diamond
c)
fullerene
d)
none of these
12.
Which has a free delocalized electron between layers that gives rise to electrical conductivity ?
a)
graphite
b)
diamond
c)
fullerene
d)
none of these
13.
Which is used in pencils ?
a)
graphite
b)
diamond
c)
fullerene
d)
none of these
14.
Which is used as electrodes in an electrochemical cell?
a)
graphite
b)
diamond
c)
fullerene
d)
none of these
15.
Which has a free delocalized electron between layers that gives rise to electrical conductivity ?
a)
graphite
b)
diamond
c)
fullerene
d)
none of these
16.
Which has every carbon atom covalently bonded to four other atoms?
a)
graphite
b)
diamond
c)
fullerene
d)
none of these
17.
Which is extremely hard?
a)
graphite
b)
diamond
c)
fullerene
d)
none of these
18.
Which is used as a cutting tool and in jewelry?
a)
graphite
b)
diamond
c)
fullerene
d)
none of these
19.
Which has the formula C60?
a)
graphite
b)
diamond
c)
fullerene
d)
none of these
20.
Which is made of balls or cages of carbon?
a)
graphite
b)
diamond
c)
fullerene
d)
none of these
21.
Define the term allotropes
a)
Atoms with same proton number but different number of neutrons
b)
Atoms with same proton number but different mass number
c)
Atoms in different arrangement in structure
d)
Atoms in different arrangement and different physical form
22.
which answer shows the correct number of C-C covalent bonds in its allotropes?
a)
Diamond 3, Graphite 3, fullerene 3
b)
Diamond 4, Graphite 3, fullerene 3
c)
Diamond 4, Graphite 3, fullerene 4
d)
Diamond 4, Graphite 4, fullerene 3
23.
Each atom has a charged substructure made of protons and ____________________.
a)
neutrons
b)
electrons
c)
ions
d)
bonds
24.
Each atom has a charged substructure called a _______________.
a)
membrane
b)
nucleus
c)
orbital
d)
bonding region
25.
The periodic table orders elements horizontally by the number of __________________.
a)
electrons
b)
protons
c)
neutrons
d)
ions
26.
The periodic table places elements with similar ______________________ in columns.
a)
numbers of neutrons
b)
proton masses
c)
chemical properties
d)
states of matter
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