WorksheetsBonding Models
Total questions: 20
Worksheet time: 31mins
Name
Class
Date
1.
In reality, the only thing connecting two atoms together in a chemical bond is a bunch of ___
a)
electrons
b)
protons
c)
photons
d)
neutrons
2.
Sodium has one valence electron and chlorine has ___
a)
none
b)
two
c)
seven
d)
eight
3.
For water, each hydrogen atom has one valence electron, and oxygen has ___
a)
four
b)
five
c)
six
d)
seven
4.
How many valence electrons does carbon have?
a)
two
b)
three
c)
four
d)
six
5.
What is the MOLECULAR MODEL for the chemical formula above?
a)
C-C-O
b)
C-O-O
c)
C O
d)
C-C-O-O
6.
What is the CHEMICAL FORMULA for the molecular model pictured above?
a)
CH
b)
C4H4
c)
CH4
d)
C4H
7.
T7 - Is this element stable or will it tend to form bonds?
a)
this element is stable
b)
will tend to form bonds
8.
T7 - Does this Bohr model depict an element that is stable or one that will form bonds
a)
This element is stable
b)
This element will form bonds
9.
T8- 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
10.
T8- The sharing of an electron to form a bond.
a)
Covalent
b)
Ionic
c)
Compound
d)
Chemical Stability
11.
T8- The giving or taking of an electron to form a bond.
a)
Covalent
b)
Ionic
c)
Compound
d)
Chemical Stability
12.
T7- How many valence electrons do most atoms want to be chemically stable?
a)
1
b)
2
c)
7
d)
8
13.
What two types of atoms make a covalent bond?
a)
2 nonmetals
b)
2 metals
c)
1 metal and 1 nonmetal`
14.
Ionic bonds are between
a)
metals and nonmetals
b)
2 metals
c)
2 nonmetals
15.
What is a cation?
a)
a metal with a negative (-) charge
b)
a non-metal with a negative (-) charge
c)
a metal with a positive (+) charge
d)
a non-metal with a positive (+) charge
16.
What is a anion?
a)
a metal with a negative (-) charge
b)
a non-metal with a negative (-) charge
c)
a metal with a positive (+) charge
d)
a non-metal with a positive (+) charge
17.
Why does K become positive when it bonds to Cl to form KCl?
a)
Because it loses an electron to have a full valence shell
b)
Because it gains an electron to have 2 valence electrons
c)
Because it loses an electron to become negatively charged
d)
Because Cl gives away its 7 electrons to Na to form an equal charge
18.
The structure of metals includes
a)
metal atoms sharing electrons
b)
metal ions bonded to non-metal ions
c)
cations surrounded by free-floating electrons
d)
metal atoms giving electrons to other metal atomes
19.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
20.
What type of bond is this?
a)
Ionic
b)
Covalent
c)
Metallic
d)
Crystal
100 %
