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Naming and Writing Covalent Compounds

Total questions: 46

Worksheet time: 3605secs

Name
Class
Date
1.
What part of an atom is involved in chemical bonding?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
2.
How many valence electrons does nitrogen have?
a)
3
b)

2

c)
5
d)
1
3.
Where are the non-metals located on the periodic table?
a)
All over
b)
On the left side of the "staircase"
c)
On the right side of the "staircase"
4.
Compounds made from only nonmetals are _________________ compounds.
a)
ionic
b)
covalent
c)
metallic
d)
chemical
5.
A covalent bond involves a __________ of electrons.
a)
sharing
b)
borrowing
c)
exchanging
d)
switching
6.
A __________ is a number written to the right of a chemical symbol and slightly below it.
a)
subscript
b)
coefficient
c)
chemical formula
d)
compound
7.

What is the name of NO4NO_4  ?

a)

Nitrogen tetraoxide

b)

Nitrogen tetroxide

c)

Mononitrogen oxide

d)

Mononitrogen tetroxide

8.
What is the chemical formula for CP ?
a)
Carbon phosphide
b)
Monocarbon phosphide
c)
Carbon monophosphide
9.
What is the name of S2I4 ?
a)
Sulfur iodide
b)
Disulfur iodide
c)
Sulfur tetraiodide
d)

Disulfur Tetraiodide

10.
What is the chemical formula for Tetrasulfur pentoxide?
a)
SO
b)
S4O
c)
S4O5
d)
S5O4
11.
What is the name of C3Cl8 ?
a)
Carbon octachloride
b)
Tricarbon octachloride
c)
Carbon trichloride
d)
Octacarbon trichloride
12.
What is the chemical formula for Nitrogen triiodide?
a)
NI
b)
N3I
c)
NI3
13.

Whether or not Valence Electrons are shared equally in Covalent Compounds depend on?

(a)  

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.
What is it called if there are three-pairs of electrons being shared?
a)
Triple bond
b)
Bond length
c)
Tribond
d)
Chocolate Mousse
16.
How many electrons are shared in a double bond?
a)
2
b)
4
c)
6
d)
8
17.
A Nitrogen molecule (N2) has one triple bond. How many electrons do the nitrogen atoms share?
a)
1
1
b)
3
c)
4
d)
6
18.
Compared to ionic compounds, molecular compounds generally have...
a)
good conductivity
b)
greater densities
c)
more chemical bonds
d)
a low boiling point
19.

Covalent compounds are named by adding (a)   to the element names.

20.
Compared to ionic compounds, molecular compounds generally have...
a)
stronger chemical bonds
b)
poor conductivity
c)
a high melting point
d)
lower densities
21.

Nonpolar Covalent Bonds have this type of sharing of electrons

(a)  

22.
Is Hydrogen considered a metal or a non-metal?
a)
Metal
b)
Non-metal
23.

The Melting and Boiling Points when compared to ionic bonds are usually.




(a)  

24.

In the compound N2O, what does the subscript 2 indicate?

a)

There are 2 sodium atoms for each atom of oxygen

b)

There are 2 nitrogen atoms for each atom of oxygen

c)

There are 2 oxygen atoms for each atom of nitrogen

d)

Nitrogen atoms are twice a large as oxygen

25.

How many Aluminum atoms are in Al2O3?

a)

3

b)

5

c)

2

d)

1

26.


Polar Covalent Bonds'Unequal sharing due to differences in




(a)  

27.

The correct name for the molecular formula CO is

a)

carbon monoxide

b)

carbon dioxide

c)

calcium oxide

d)

calcium dioxide

28.

The chemical formula for carbon dioxide is

a)

CO

b)

C2O

c)

CO2

d)

C2O2

29.

True or False: covalent bonds form only between atoms of different elements

a)

True

b)

False

30.

What is the chemical formula for the compound containing one nitrogen atom and two oxygen atoms?

a)

O2N

b)

N2O

c)

NO

d)

NO2

31.

Name the following compound: CF4

a)

Carbon fluoride

b)

Carbon tetrafluoride

c)

Carbon trifluoride

d)

Carbon pentafluoride

32.

Name the following compound: XeF6

a)

Monoxenon hexafluoride

b)

Xenon fluoride

c)

Xenon hexafluoride

d)

Xenon tretrafluoride

33.

Name the following compound: N2O2

a)

Nitrogen oxide

b)

Nitrogen dioxide

c)

Dinitrogen dioxide

d)

Dinitrogen oxide

34.

All nonmetals, except Hydrogen and Boron, need ______ valence electrons to become stable.

a)

4

b)

6

c)

8

d)

10

35.

What is the prefix for the number 8 ?

a)

hexa-

b)

hepta-

c)

octa-

d)

nona-

36.

True or False: the purpose of eleccton sharing of electrons is so that atoms can achieve a a stable electron configuration.

(a)  

37.

What is the prefix for the number 10 ?

a)

deca-

b)

nona-

c)

hepta-

d)

hexa-

38.

What is the chemical formula for Dichlorine monoxide?

a)

ClO

b)

ClO2

c)

Cl2O2

d)

Cl2O

39.

What is the chemical formula for Dioxygen difluoride?

a)

O2F2

b)

OF

c)

O2F

d)

OF2

40.
What is the correct name for C4H6?
a)
Carbon Hexahydride
b)
Pentacarbon Pentahydride
c)
Hexacarbon Tetrahydride
d)
Tetracarbon Hexahydride
41.
What is the name of C3Cl8 ?
a)
Carbon octachloride
b)
Tricarbon octachloride
c)
Carbon trichloride
d)
Octacarbon trichloride
42.
What is the name of Br6F10 ?
a)
Bromium fluoride
b)
Hexabromine fluoride
c)
Bromium decafluoride
d)
none of the above
43.

What is the OFFICIAL Covalent Chemical name for H2O

a)
Hydrogen Oxide
b)
Oxygen Dinitride
c)
Agua
d)
Dihydrogen Monoxide
44.
Which of the following is NOT an ionic compound:
a)
CaO
b)
NaOH
c)
BaCl2
d)
Br2
45.

Which following is a covalent compound?

a)
SO2
b)
K2O
c)
CaO
d)
BeO
46.

When two  or more nonmetal atoms or a nonmetal and a metalloid share electrons, they form?.

(a)  

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