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General Practice for Exam 3

Total questions: 30

Worksheet time: 30mins

Name
Class
Date
1.
phosphorus trichloride
a)
KCl3
b)
PCl3
c)
K3Cl
d)
P3Cl
2.
phosphorus trichloride
a)
KCl3
b)
PCl3
c)
K3Cl
d)
P3Cl
3.
silicon dioxide
a)
SO2
b)
NaO2
c)
SiO2
d)
SiO
4.
diphosphorus pentoxide
a)
P2O5
b)
PO5
c)
P5O2
d)
P2O6
5.
SiCl4
a)
silicon tetrachloride
b)
silicon quadchloride
c)
monosilicon tetrachloride
d)
silicon chloride
6.
The name of P₄S₁₀ is
a)
phosphorous sulfide
b)
phosphorus sulfide
c)
tetraphosphorus decasulfide
d)
phosphorus (X) sulfide
7.
The name of SO₃ compound is
a)
sulfate
b)
sulfur oxide
c)
sulfur trioxide
d)
monosulfur trioxide
8.
A binary covalent bond exists between
a)
2 metals
b)
1 metal and 1 nonmetal
c)
2 nonmetals
d)
Any 2 elements
9.
A covalent bond involves a __________ of electrons.
a)
sharing
b)
borrowing
c)
exchanging
d)
switching
10.
How many valence electrons does carbon have?
a)
1
b)
2
c)
3
d)

4

11.

What is the formula for Sodium Nitrate?

a)

NaN

b)

NaN2

c)

Na(NO3)2

d)

NaNO3

e)

SN

12.

Identify Cesium Nitrate

a)

CsNO3

b)

Cs2(NO3)3

c)

Cs2NO3

d)

Cs3NO3

13.
What is the name of Al(NO3)3?
a)
Aluminum trinitrate
b)
Monoaluminum nitrate
c)
Aluminum (III) nitrate
d)
Aluminum Nitrate
14.
What's the name of the compound NH4NO3 ?
a)
nitrogen hydrogen oxygen
b)
ammonium nitrite
c)
nitrogenous water
d)
ammonium nitrate
15.

An -ate or -ite at the end of a compound name usually indicates that the compound contains _____________.

a)

fewer electrons than protons

b)

neutral molecules

c)

only two elements

d)

a polyatomic anion

16.
What is a double bond?
a)
a bond between two atoms
b)
one pair of electrons shared between two atoms
c)
two pairs of electrons shared between two atoms
d)
James Bond's brother
17.
What is the charge on an Aluminum ion?
a)
3
b)
+3
c)
+2
d)
+1
18.
Who could this molecule be?
a)
CH4
b)
CO2
c)
PCl5
d)
BF3
19.

The proper formula for magnesium hydride:

a)

MgH

b)

Mg2H

c)

Mg(OH)2

d)

MgH2

20.

What type of bonding does this picture show?

a)

Ionic

b)

Covalent

21.

What type of bonding does this picture show?

a)

Ionic

b)

Covalent

22.
Which is most likely to form a negative ion?
a)
an element from group 17
b)
a metal
c)
an element from group 1
d)
an element with atoms that have eight valence electrons
23.
How do the following two elements bond together?
Cr3+  O2-         
a)
CrO
b)
Cr3O2
c)
Cr2O3
d)
CrO3
24.
What is the charge of an atom that has lost one electron?
a)
-1
b)
-2
c)
+1
d)
+2
25.
A phosphorus atom needs to gain ___ electrons to achieve a full octet.
a)
3
b)
4
c)
6
d)
5
26.

The electrons in a polar covalent molecule are shared...

a)

Evenly

b)

Unevenly

c)

Electrons are not shared

d)

None of the Above

27.

The electrons in a nonpolar covalent molecule are shared...

a)

Evenly

b)

Unevenly

c)

Electrons are not shared

d)

None of the Above

28.
The electronegativity difference in the bonds of CCl4 (carbon tetrachloride) is:
a)
0.4
b)
0.5
c)
9.5
d)
5.5
29.

Where can you find electronegativity values?

a)

Table F

b)

Table E

c)

The Periodic Table

d)

Table S

30.
Which molecule contains bonds with a GREATER polarity?
a)
HCl
b)
CCl4

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