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Worksheetschemical bond
Total questions: 50
Worksheet time: 57mins
Name
Class
Date
1.
Ionic bonds are between...
a)
nonmetals and nonmetals
b)
carbon and oxygen
c)
metals and nonmentals
d)
hydrogen and chlorine
2.
Covalent bonds are between...
a)
two or more nonmetals
b)
sodium and chlorine
c)
metals and metals
d)
metals and nonmetals
3.
What kind of chemical bond forms between a metal and a nonmetal?
a)
ionic
b)
covalent
c)
fake
d)
metallic
4.
What kind of bond forms between two nonmetals?
a)
ionic
b)
covalent
c)
metallic
d)
fake
5.
What is the name for an ion with a positive charge?
a)
cation
b)
anion
c)
onion
d)
union
6.
What is the name for an ion with a negative charge?
a)
cation
b)
anion
c)
onion
d)
union
7.
What kind of bond forms when atoms share electrons?
a)
ionic
b)
covalent
c)
artificial
d)
univalent
8.
What kind of bond forms when atoms exchange electrons?
a)
ionic
b)
covalent
c)
artificial
d)
univalent
9.
What are valence electrons?
a)
sum of the protons and neutrons
b)
protons minus electrons
c)
electrons in the inner shells
d)
electrons in the outer shell
10.
If an atom loses two electrons what charge will it have?
a)
-2
b)
-1
c)
+1
d)
+2
11.
If an atom gains two electrons what charge will it have?
a)
-2
b)
-1
c)
+1
d)
+2
12.
If an atom has 7 protons and 7 electrons what charge will it have?
a)
-2
b)
-1
c)
0
d)
+2
13.
Predict the bond that will form between Be and F.
a)
Ionic
b)
Covalent
14.
Predict the bond that will form between Se and Cl.
a)
Ionic
b)
Covalent
15.
Predict the bond that will form between Sr and S.
a)
Ionic
b)
Covalent
16.
Predict the bond that will form between S and O.
a)
Ionic
b)
Covalent
17.
What type of diagram is this?
a)
Lewis Dot Structure
b)
Bohr Model
c)
Alkali Diagram
d)
Chemical Diagram
18.
How many valence electrons in this structure?
a)
6
b)
5
c)
4
d)
7
19.
Some elements combine chemically and no longer have the same ________________ they did before forming a compound.
a)
valence electons
b)
energy
c)
properties
d)
group number
20.
A _________________ is composed of symbols and subscripts indicating the number of atoms of an element in a compound.
a)
Chemical Equation
b)
Chemical Reaction
c)
Synthesis Reaction
d)
Chemical Notation
21.
Atoms form compounds when the compound is more ______________ than the separate atoms. Noble gases are more _________than other elements because they have a complete outer energy level.
a)
reactive
b)
stable
c)
explosive
d)
toxic
22.
Elements that do not have full outer energy levels are more stable in __________________.
a)
bonds
b)
formulas
c)
reactions
d)
compounds
23.
Atoms gain lose, gain, or ______electrons to get a stable outer energy level.
a)
share
b)
split
c)
create
d)
destroy
24.
A ____________is the force that holds atoms together in a compound.
a)
Chemical Formula
b)
Chemical Reaction
c)
Chemical Bond
d)
Synthesis Reaction
25.
A _______ is a charged particle because it has more or fewer electrons than protons. When an atom _____ an electron, it becomes a positively charged ion. When an atom ____an electron, it becomes a negatively charged ion.
a)
isotope, gains, loses
b)
isotope, loses, gains
c)
ion, loses, gains
d)
ion, gains, loses
26.
An ionic compound is held together by the _______--the force of attraction between opposite charges of the atoms.
a)
Covalent Bond
b)
Ionic Bond
c)
Synthetic Bond
d)
Molecular Bond
27.
The result of this bond is a _________compound.
a)
neutral
b)
polar
c)
positively charged
d)
negatively charged
28.
A ________is the force of attraction between atoms sharing electrons.
a)
Synthetic Bond
b)
Ionic Bond
c)
Molecular Bond
d)
Covalent Bond
29.
Atoms can form double or triple ______depending on whether they share two or three pairs of electrons.
a)
Molecules
b)
Bonds
c)
Compounds
d)
Elements
30.
Electrons shared in a molecule are held ________to the atoms with the larger nucleus.
a)
more closely
b)
relative
c)
adjacent
d)
next
31.
How are covalent bonds formed?
a)
Sharing of electrons
b)
Transfer of electrons
32.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
33.
Where are the nonmetals located on the periodic table?
a)
Blue
b)
Red
c)
Green
34.
Where are the metalloids located on the periodic table?
a)
Blue
b)
Red
c)
Green
35.
What is the correct name for Mg(OH)2?
a)
Magnesium dihydroxide
b)
Magnesium Oxyhydride
c)
Magnesium Oxygen dihydride
d)
Magnesium hydroxide
36.
What is the proper name for CaCl2?
a)
Calcium dichloride
b)
Monocalcium dichloride
c)
Calcium chloride
d)
Calcium chlorine
37.
What is the proper name for S2O2?
a)
Sulfur oxide
b)
Sulfur dioxide
c)
sulfur (II) oxide
d)
disulfur dioxide
38.
How many valence electrons does oxygen have?
a)
2
b)
4
c)
5
d)
6
39.
What happens when a sodium atom loses an electron?
a)
0
b)
-1
c)
+1
d)
-2
40.
An electron has what kind of charge?
a)
positive
b)
negative
c)
neutral
d)
none of these
41.
Which among the elements has 5 valence electrons?
a)
Oxygen
b)
nitrogen
c)
fluorine
d)
carbon
42.
What kind of element has less than 4 valence electrons?
a)
Metal
b)
nonmetal
c)
metalloid
d)
noble gas
43.
What kind of element has more than 4 valence electrons?
a)
metal
b)
nonmetal
c)
metalloid
d)
noble gas
44.
What kind of element has low electronegativity?
a)
metal
b)
nonmetal
c)
metaloid
d)
noble gas
45.
What kind of element has high ionization energy?
a)
metal
b)
nonmetal
c)
noble gas
d)
metalloid
46.
Which among the element has 6 valence electrons?
a)
Li
b)
Na
c)
S
d)
Br
47.
This is the measure of the tendency of an atom to attract electrons towards itself.
a)
ionization energy
b)
electronegativity
48.
This refers to the energy needed to remove the outermost electron.
a)
ionization energy
b)
electronegativity
49.
Why can metals be hammered without breaking?
a)
They are ductile
b)
They are brittle
c)
They are malleable
d)
Their particles are strong
50.
What elements generally make an ionic bond?
a)
metal and nonmetal
b)
2 or more nonmetals
c)
metal
d)
none of the above
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