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Molecular Compounds

Total questions: 15

Worksheet time: 7mins

Name
Class
Date
1.
phosphorus trichloride
a)
KCl3
b)
PCl3
c)
K3Cl
d)
P3Cl
2.
diphosphorus pentoxide
a)
P2O5
b)
PO5
c)
P5O2
d)
P2O6
3.
The chemical formula of carbon tetrachloride is
a)
CCl
b)
C₄Cl
c)
CCl₄
d)
C(IV)Cl
4.
The name of P₄S₁₀ is
a)
phosphorous sulfide
b)
phosphorus sulfide
c)
tetraphosphorus decasulfide
d)
phosphorus (X) sulfide
5.
The chemical formula of tetraphosphorus heptaoxide is
a)
F₄O₁₀
b)
P₄O7
c)
PO
d)
P₁₀O₄
6.
What is the correct name for NO?
a)
Mononitrogen Monoxide
b)
Nitrogen Monoxide
c)
Mononitrogen Dioxide
d)
Nitrogen Oxide
7.

A covalent bond exists between

a)

2 metals

b)

1 metal and 1 nonmetal

c)

2 nonmetals

d)

Any 2 elements

8.

A neutral group of atoms held together by covalent bonds is a

a)

molecular formula

b)

chemical formula

c)

molecule

d)

monoatomic ion

9.

What are shared in a covalent bond?

a)

ions

b)

Lewis structures

c)

dipoles

d)

electrons

10.
Compared to ionic compounds, molecular compounds generally have...
a)
good conductivity
b)
greater densities
c)
more chemical bonds
d)
a low boiling point
11.

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

12.

Which pair of atoms is most likely to form a covalent molecule?

a)

Hydrogen and lithium

b)

Phosphorus and sulfur

c)

Helium and neon

d)

Zinc and Boron

13.
Prefixes are used only for _______________ compounds
a)
Ionic
b)
covalent
14.

What is the name for SiCl4?

a)

silicon tetrachloride

b)

silicon quadchloride

c)

monosilicon tetrachloride

d)

silicon chloride

15.
Which following is a molecular compound?
a)
SO2
b)
K2O
c)
CaO
d)
BeO