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chemical bonding

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.
How are covalent bonds explained?
a)
When one atom takes the other atom's electron
b)
When the atom shares an electron with an another atom
c)
When the two nucleus merge
d)
When the neutrons leave the nucleus
2.

Ionic bonding is between a

a)

nonmetal and nonmetal

b)

metal and nonmetal

c)

metal and metal

d)

Depends on the situation

3.

Predict the bond between Mg and Cl

a)

covalent

b)

ionic

c)

metallic

d)

none of the above

4.

Which is the correct Lewis Structure for oxygen?

a)
b)
c)
d)
5.
The number of _____ is most important in determining how an atoms will bond. 
a)
Neutrons
b)
Protons
c)
Valence Electrons
d)
Electron sin the innermost shell
6.
Calculate the Formal Charge for the Nitrogen
a)
-1
b)
+1
c)
0
d)
-2
7.
What is the formal charge for Xenon
a)
-1
b)
+1
c)
0
d)
+2
8.
Is this molecule polar or non polar?
a)
Polar
b)
Non Polar
9.
The bond angle for a trigonal planar molecule is 
a)
90 Degrees
b)
109.5 Degrees
c)
120 Degrees
d)
180 Degrees
10.

What is the name of the shape with 5 bonded atoms and no lone pairs?

a)

trigonal pyramidal

b)

trigonal bipyramidal

c)

octahedral

d)

seesaw

11.

What is the formal charge on I in IF4-?

a)

-1

b)

0

c)

+1

d)

-4

12.

What is the formal charge on the S in SO3?

a)

+2

b)

-2

c)

0

d)

+1

e)

-1

13.

What is the molecular geometry of SF4?

a)

tetrahedral

b)

trigonal pyramidal

c)

trigonal bipyramidal

d)

seesaw

14.

Is this molecule polar or nonpolar?

a)

polar

b)

nonpolar

15.

What is the correct Lewis Dot Structure for ammonia NH3

a)
b)
c)
d)
16.

Does the following reference Polar, Nonpolar, or both:

"electronegativity values are the same"?

a)

Polar

b)

Nonpolar

c)

Both

17.

1. Which of the following molecules is the most polar?

a)

H − Cl

b)

H − Br

c)

H − I

d)

H − F

18.
a)

achieved octet

b)

incomplete octet

c)

expended octet

d)

odd number of electrons

19.
a)

achieved octet

b)

incomplete octet

c)

expended octet

d)

odd number electrons

20.
a)

achieved octet

b)

incomplete octet

c)

expended octet

d)

odd number electrons

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