Chemistry Reference
In-Depth Information
The neutron is a particle with a mass number of 1 and a nuclear charge
of 0, giving us the answer shown here:
239
94
Pu +
1
0
n
240
94
Pu
We can now summarize our answers:
A.
238
92
U
234
90
Th + X
238
92
U
234
90
Th +
4
2
He
=
26
12
Mg +
1
1
p
4
2
He + X
26
12
Mg +
1
1
p
4
2
He +
23
11
Na
B.
=
239
94
Pu + X
240
94
Pu
239
94
Pu +
1
0
n
240
94
Pu
C.
=
Now, try the following problems and check your answers before mov-
ing on to the chapter exam.
Lesson 6-5 Review
Identify the particle represented by X and complete each of the fol-
lowing nuclear equations.
8
4
Be + X
12
6
C
12
6
C +
4
2
He
37
18
Ar + X
37
17
Cl
1.
2.
3.
X
Chapter 6 Examination
Part I—Matching
Match the following terms to the definitions that follow. Not all of the
terms will be used.
a. spectator ion
b. precipitate
c. ionic equation
d. net ionic equation
e. chemical equation
f. hydrocarbon
g. synthesis
h. combustion
i. decomposition
j. single displacement
k. double displacement
l. word formula
m. oxidation
n. reduction
o. reducing agent
_____1. This type of reaction always produces water and carbon dioxide.
_____2. A compound that contains only hydrogen and carbon.
_____3. In this type of reaction, two or more simpler substances
combine into a more complex one.
_____4. A solid formed as the result of an ionic reaction in an aqueous
solution.
_____5. An ion that doesn't take place in a chemical reaction.
