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Bonding Retest

Total questions: 20

Worksheet time: 16mins

Name
Class
Date
1.
Elements in Group 1 lose one electron to form ions with a _________________ charge.
a)
1+
b)
2+
c)
0
d)
1-
2.

What type of ions are formed between a lithium and a fluorine bond?

a)

Li+1 & F-1

b)

Li+3 & F-7

c)

Li-1 & F+1

d)

Li-7 & F+1

3.

The correct formula for the compound formed between potassium and sulfur is ---

a)

KS

b)

K2S3

c)

K2S

d)

KS2

4.
Which of the following is ionic?
a)
NO2
b)
MgO
c)
CO
d)
CH4
5.

Which of the following is the correct ionic diagram between calcium and oxygen?

a)
b)
c)
d)
6.

What is the correct lewis structure representation between magnesium and fluorine?

a)
b)
c)
d)
7.

What are the ions formed between strontium and chlorine?

a)

Sr+2 & 2Cl-1

b)

2Sr+2 & Cl-1

c)

Sr+1 & 2Cl-2

d)

Sr+2 & Cl-1

8.

Using the electronegativity chart, what type of bond is formed between Beryllium and Oxygen?

a)

Ionic

b)

Polar Covalent

c)

Nonpolar Covalent

d)

Ionic Covalent

9.

Which of the following covalent single bonds is the most polar based on the electronegativity trends in the table?

a)

S-F

b)

S-O

c)

S-N

d)

S-C

10.

Which pair of elements would most likely form an ionic compound?

a)

carbon and fluorine

b)

magnesium and sodium

c)

sulfur and chlorine

d)

aluminum and gallium

11.
Which of the following is NOT formed by a covalent bond?
a)
K2S
b)
H2O
c)
I2
d)
CO2
12.
How do covalent bonds form?
a)
Donating & receiving valence e- between atoms.
b)
Opposite slight charges attract each other between compounds.
c)
Scientists are still not sure how they form.
d)
Sharing valence e- between atoms.
13.
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
14.
Which molecule would have this shape?
a)
BF3
b)
CH4
c)
PCl5
d)
CO2
15.
Who could this be? 
a)
CO2
b)
NH3
c)
H2S
d)
CH4
16.
Who could this be?
a)
H2O
b)
NH3
c)
CO2
d)
CH4
17.
Who could this molecule be?
a)
CH4
b)
CO2
c)
PCl5
d)
BF3
18.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
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 kind of bond do you have: B and C

a)

Non-polar covalent

b)

Polar covalent

c)

ionic

d)

James Bond

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