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WorksheetsChemical Bonding
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
A bond formed from shared electrons is -
a)
Chemical bond
b)
Ionic bond
c)
Metallic bond
d)
Covalent bond
2.
Which elements are least likely to react with other elements?
a)
metals
b)
nonmetals
c)
noble gases
d)
transition elements
3.
When an atom is chemically stable, how many electrons are in its outer energy level?
a)
0
b)
7
c)
4
d)
8
4.
What do group VIIA (7A) elements become when they react with group IA(1A) elements?
a)
negative ions
b)
neutral
c)
positive ions
d)
polyatomic ions
5.
Is the following compound ionic or covalent:
AlCl3
AlCl3
a)
ionic
b)
covalent
6.
The name of Ni₂O₃ is
a)
nickel (II) oxide
b)
nickel (III) oxide
c)
nickle oxide
d)
dinickel trioxide
7.
In an ionic bond, electrons are _________ .
a)
lost or gained
b)
shared
c)
shared and gined
d)
none correct
8.
How is the bond in F2 different from the bond in KCl ?
a)
F2 is covalent and KCl is ionic
b)
F2 is ionic and KCl is covalent
c)
F2 is ionic and KCl is ionic
d)
F2 is ionic and KCl is ionic
9.
Hard & Brittle
a)
Ionic
b)
Covalent
10.
How many electrons should Flourine have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
11.
How many electrons are shared in a triple bond?
a)
6
b)
3
c)
6 pairs
d)
5
12.
Which of the following is the correct Lewis formula for molecular oxygen (O2)?
a)
A
b)
B
c)
C
d)
D
13.
what do form an ionic bond?
a)
K and Ca
b)
He and Cl
c)
H and O
d)
Cu and I
14.
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
15.
The atomic number of an element tells you what about that element?
a)
number of ions
b)
number of valence electrons
c)
number of electrons
d)
what is an element?
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