NEW
Font size
S
M
L
XL
WorksheetsUCEA C3 Structure & Bonding
Total questions: 65
Worksheet time: 47mins
Name
Class
Date
1.
How many valence electrons are elements trying to reach in their outer shells?
a)
1
b)
2
c)
5
d)
8
2.
What determines the reactivity of an element?
a)
Size of its nucleus
b)
Number of total electrons
c)
Number of valence electrons
d)
Number of shells
3.
How many valence electrons does lithium have?
a)
1
b)
3
c)
6.9
d)
7
4.
This could be the dot diagram of
a)
Be
b)
B
c)
C
d)
Ne
5.
When two atoms share electrons, a chemical bond is formed. This type of bond is called:
a)
covalent bond
b)
ionic bond
c)
crystal bond
d)
polyatomic bond
6.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
7.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
8.
What type of elements will form an ionic bond?
a)
Metals + Metals
b)
Nonmetals + Nonmetals
c)
Metals + Nonmetals
d)
None of the above
9.
Ionic bonds form when ions share electrons.
a)
True
b)
False
10.
How are covalent bonds formed?
a)
Sharing of electrons
b)
Transfer of electrons
11.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
12.
This picture shows a...
a)
Ionic Bond
b)
Covalent Bond
c)
Both bonds
d)
Neither bond
13.
As you move down the periodic table atoms get bigger. This is because ____________.
a)
The atoms have more mass.
b)
The atoms have more protons.
c)
The atoms have more energy levels
d)
The atoms have more nuetrons
14.
Ionic Bonding involves...
a)
The transfer of protons
b)
The transfer of nuetrons
c)
The transfer of electrons
d)
None Of the above
15.
What do atoms that form positive ions tend to do?
a)
Tend to lose electrons
b)
Tend to lose protons
c)
Tend to gain electrons
d)
Tend to gain protons
16.
What usually forms the positive ion?
a)
Metal
b)
Non Metals
c)
None
17.
What happens when the sodium atom loses an electron?
a)
It become negatively charged
b)
It become positively charged
c)
none
18.
Covalent compounds
a)
Share electrons
b)
transfer electrons
c)
contain a sea of electrons
d)
conduct electricity
19.
What happens when an atom loses an electron?
a)
Neutral (no charge)
b)
Positive charge
c)
Negative charge
20.
What happens when an atom gain an electron?
a)
Neutral(no charge)
b)
Positive charge
c)
Negative charge
21.
What charges attract?
a)
Opposite
b)
Same
22.
What charges repel?
a)
Same
b)
Opposite
23.
Predict the bond that will form between Be and F.
a)
Ionic
b)
Covalent
24.
What is the number of valence electrons for Oxygen?
a)
8
b)
6
c)
2
d)
1
25.
How many valence electrons in this structure?
a)
6
b)
5
c)
4
d)
7
26.
A covalent bond is a bond between a _____ and a ______
a)
metal, nonmetal
b)
metal, metal
c)
nonmetal, nonmetal
27.
A covalent bond is formed when two atoms ____ electrons
a)
share
b)
lose
c)
transfer
d)
gain
28.
Which of these is covalent?
a)
NaCl
b)
Pb(NO3)2
c)
CO2
d)
AlCl3
29.
What type of bond is this?
a)
ionic
b)
covalent
30.
Copper (II) oxide
a)
Ionic
b)
Covalent
31.
Silver Nitride
a)
ionic
b)
covalent
32.
Which elements tend to lose electrons?
a)
metals
b)
nonmetals
33.
Which elements tend to gain electrons?
a)
metals
b)
nonmetals
34.
If Magnesium (Mg+2) and Fluorine (F-1) form an ionic bond, what is the chemical formula for that compound?
a)
Mg2F
b)
MgF2
c)
F2Mg3
35.
How many electrons are needed in the outer energy levels of most atoms to be stable?
a)
2
b)
4
c)
6
d)
8
36.
A charged particle that has gained or lost electrons is called a _____.
a)
molecule
b)
ion
c)
isotope
d)
element
37.
A cation is a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
38.
A anion will be a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
39.
What will be the compound name of the following chemical formula?
NaCl
NaCl
a)
Chlorine Sodium
b)
Sodium Chloride
c)
Chlorine Sodide
d)
Sodium Chlorine
40.
How many TOTAL atoms are in this compound?
H2C3O4N5
H2C3O4N5
a)
5
b)
14
c)
15
d)
19
41.
Which compound below represents an ionic compound?
a)
NaCl
b)
ICl
c)
PCl
d)
HCl
42.
When atoms of the Halogens form ions, they
a)
lose one proton
b)
lose one electron
c)
gain one proton
d)
gain one electron
43.
The correct chemical formula for carbon dioxide
a)
CO2
b)
C2O4
c)
C2O
d)
CO
44.
Metallic bonding occurs between atoms of
a)
Iron (Fe)
b)
Argon (Ar)
c)
Helium (He)
d)
Boron (B)
45.
The ability to conduct electricity in a solid state is a characteristic of metallic bonding. This characteristic is best explained by the presence of
a)
mobile electrons
b)
mobile protons
c)
mobile neutrons
d)
none of the above
46.
Matter with no definite shape and no definite volume would be classified as a
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
47.
If an aluminum atom has 13 protons (+) and 10 electrons (-), what is it's charge?
a)
Al3+
b)
Al13+
c)
Al10+
d)
Al10-
48.
Which of the following is NOT a property of ionic compounds?
a)
They conduct electricity when molten
b)
They conduct electricity when in solution
c)
They have high boiling points
d)
They are insoluble in water
49.
What do you call a bond that forms when electrons are transferred from one atom to another?
a)
a compound bond
b)
an ionic bond
c)
a crystal bond
d)
an atomic bond
50.
What is the basis of a metallic bond?
a)
the attraction of neutral metal atoms.
b)
the attraction between protons and neutrons.
c)
the attraction between positive metal ions and interlocking electrons.
d)
the attraction between positive metal ions and free floating electrons.
51.
What does this picture represent?
a)
solid
b)
liquid
c)
gas
d)
plasma
52.
What does this picture represent?
a)
solid
b)
liquid
c)
gas
d)
plasma
53.
What does this picture represent?
a)
solid
b)
liquid
c)
gas
d)
plasma
54.
Which is true about solids?
a)
They particles can move past each other.
b)
The particles vibrate in their positions.
c)
The particles do not form a pattern.
d)
Solids have the highest kinetic energy
55.
What phase is present from C-D
a)
solid
b)
liquid
c)
gas
d)
plasma
56.
Where is the substance melting?
a)
A-B
b)
B-C
c)
D-E
d)
E-F
57.
The steam coming off the pot of boiling water is an example of....
a)
a solid becoming a liquid
b)
a liquid becoming a solid
c)
a liquid becoming a gas
d)
a gas becoming a liquid
58.
A puddle of water seemed to disappear. The heat caused the water to -
a)
melt
b)
condense
c)
evaporate
d)
cool
59.
The change of state from a liquid to a solid
a)
freezing
b)
melting
c)
evaporation
d)
boiling
60.
Change of state from a solid to a liquid.
a)
sublimation
b)
deposition
c)
freezing
d)
melting
61.
Change of state from a solid directly to a gas is called
a)
deposition
b)
melting
c)
evaporation
d)
sublimation
62.
Which of the following is an example of a giant covalent structure?
a)
Diamond
b)
Carbon
c)
Magnesium
d)
Sodium Chloride
63.
This picture is the structure of....
a)
Graphite
b)
Graphene
c)
Diamond
d)
Silica
64.
This picture is the structure of....
a)
Graphene
b)
Graphite
c)
Diamond
d)
Oxygen
65.
Which of the following is NOT a property of graphene?
a)
Strong
b)
Good thermal conductor
c)
Good electrical conductor
d)
Good electrical insulator
Reset
