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25.2 Q Nuclear Decay and Equation

Total questions: 91

Worksheet time: 4hrs 36mins

Name
Class
Date
1.
During beta decay, a nucleus .... 
a)
gives up two protons and two neutrons.
b)
  maintains the same number of protons and neutrons.
c)
  loses a proton and gains a neutron.
d)
gains a proton and loses a neutron. 
2.
When a nucleus undergoes nuclear decay by gamma rays, the atomic number of the element....
a)
remains the same
b)
  decreases by one.
c)
increases by one.
d)
increases by two.
3.
The process of the production of lighter nuclei from heavier nuclei is called
a)
mass energy
b)
magneticism
c)
fusion
d)
fission
4.
The type of radioactive particle that can be stopped by a sheet of paper is the ____.
a)
alpha particle
b)
beta particle
c)
gamma ray
d)
uranium
5.
The most penetrating type of radiation is the ____.  
a)
alpha particle
b)
gamma ray
c)
beta particle
d)
uranium
6.
A helium nucleus with two protons and two neutrons is called a(n) ____.  
a)
alpha particle
b)
electroscope
c)
beta particle
d)
gamma ray
7.
Negatively charged particles emitted from a nucleus at a high speed are ____.  
a)
alpha particle
b)
gamma rays
c)
beta particles
d)
X rays
8.
The process by which nuclei having low masses are united to form nuclei with larger masses is ____.  
a)
a chain reaction 
b)
fission
c)
a chemical reaction 
d)
fusion 
9.

Which force holds protons and neutrons together in the atom nucleus?

a)

electric force

b)

gravity

c)

strong nuclear force

d)

weak nuclear force

10.

What type of nuclear decay is represented in this illustration?

a)

beta decay

b)

gamma radiation

c)

alpha decay

d)

nuclear fusion

11.

Which happens in a nucleus during gamma decay?

a)

The number of protons increases.

b)

The number of neutrons increases.

c)

The number of protons remains the same.

d)

The total number of neutrons plus neutrons decreases.

12.

What type of decay is shown here

23892U ---> 23490Th + 42He.

a)

alpha

b)

beta

c)

gamma

13.

Identify the type of nuclear decay shown here

21483Bi → 0-1e + 21484Po

a)

alpha

b)

beta

c)

gamma

14.

finish the equation


18173Ta --> ____ + 18174W

a)

42He

b)

0-1e

c)

y

15.

finish the equation


22688Ra --> ____ + 22688Ra

a)

42He

b)

0-1e

c)

y

16.
a)

A

b)

B

c)

C

d)

D

17.
What particle completes this reaction?
a)
alpha particle
b)
beta particle
c)
gamma particle
d)
neutron
18.
What is the missing isotope that will balance the following nuclear equation?
94Be  +  11H →  _____  +  42He
a)
105B
b)
105Ne
c)
63Li
d)
63C
19.
Balance the following equation:
146C --> 0-1e + ________
a)
145B
b)
146C
c)
147N
d)
42He
20.
a)
23692U
b)
23693U
c)
23492Np
d)
23493Np
21.
What particle completes this reaction?
a)
alpha particle
b)
beta particle
c)
gamma particle
d)
neutron
22.
Complete the nuclear equation and determine the type of decay that is occurring in this reaction. 
a)
alpha
b)
beta
c)
gamma
d)
none
23.
Balance the following equation:
146C --> 0-1e + ________
a)
145B
b)
146C
c)
147N
d)
42He
24.
Which type of nuclear radiation is being emitted here?
a)
Alpha
b)
beta
c)
gamma 
d)
none
25.
a)
23692U
b)
23693U
c)
23492Np
d)
23493Np
26.
What particle completes this reaction?
a)
alpha particle
b)
beta particle
c)
gamma particle
d)
neutron
27.
Complete the nuclear equation and determine the type of decay that is occurring in this reaction. 
a)
alpha
b)
beta
c)
gamma
d)
none
28.
What is the missing isotope that will balance the following nuclear equation?
94Be  +  11H →  _____  +  42He
a)
105B
b)
105Ne
c)
63Li
d)
63C
29.

This is the correct equation for U-238 decay.

a)

true

b)

false

30.

This is the correct equation for the decay of Ra.

a)

true

b)

false

31.
Balance the following equation:
146C --> 0-1e + ________
a)
145B
b)
146C
c)
147N
d)
42He
32.
What is the symbol for an alpha particle?
a)
42He
b)
0-1e
c)
0+1 e
d)
10n
33.
Which type of nuclear radiation is being emitted here?
a)
Alpha
b)
beta
c)
gamma 
d)
none
34.
a)
23692U
b)
23693U
c)
23492Np
d)
23493Np
35.

Complete the nuclear reaction

85209At = ___ + 24He

a)

83205Bi

b)

86209Rn

c)

81207Tl

d)

85208At

36.

Complete the nuclear reaction

2760Co = ___ + -10e

a)

2556Mn

b)

2860Ni

c)

2358V

d)

2759Co

37.

Complete the nuclear reaction

a)

42He

b)

0-1 e

c)

00Y

d)

178O

38.

Complete the nuclear reaction

a)

42He

b)

0-1 e

c)

00γ

d)

178O

39.
a)
42He
b)
0-1 e
c)
00Y
d)
178O
40.
A helium nucleus with two protons and two neutrons is called a(n) ____.  
a)
alpha particle
b)
electroscope
c)
beta particle
d)
gamma ray
41.
Negatively charged particles emitted from a nucleus at a high speed are ____.  
a)
alpha particle
b)
gamma rays
c)
beta particles
d)
X rays
42.
This is the symbol for a(n)
a)
alpha particle
b)
beta particle
c)
gamma particle
43.
Has the symbol
a)
Alpha
b)
Beta
c)
Gamma
44.
Has the symbol
a)
Alpha
b)
Beta
c)
Gamma
45.
Has the symbol
a)
Alpha
b)
Beta 
c)
Gamma
46.
What particle completes this reaction?
a)
alpha particle
b)
beta particle
c)
gamma particle
d)
neutron
47.
Complete the nuclear equation and determine the type of decay that is occurring in this reaction. 
a)
alpha
b)
beta
c)
gamma
d)
none
48.
Solve this equation for alpha decay.
20985At = ___ + 42He
a)
20583Bi
b)
20986Rn
c)
20781Tl
d)
20885At
49.
Solve this equation for alpha decay.
22688Ra = ___ + 42He
a)
22286Rn
b)
22689Ac
c)
22484Po
d)
22588Ra
50.
Solve this equation for beta decay.
6027Co = ___ + 0-1e
a)
5625Mn
b)
6028Ni
c)
5823V
d)
5927Co
51.
Solve this equation for beta decay.
146C = ___ + 0-1e
a)
104Be
b)
147N
c)
102He
d)
136C
52.
The following is an example of what type of reaction?
24395Am  →  23993Np + 42He 
a)
alpha decay
b)
beta decay
c)
gamma decay
53.
What is the missing isotope that will balance the following nuclear equation?
94Be  +  11H →  _____  +  42He
a)
105B
b)
105Ne
c)
63Li
d)
63C
54.
What is the symbol for an alpha particle?
a)
42He
b)
0-1e
c)
0+1 e
d)
10n
55.

What are the products of U-238 decay?

a)

a beta particle and Np-238

b)

a positron and Pa-238

c)

an alpha particle and 234-Pu

d)

an alpha particle and 234-Th

56.

Which choice is the correct alpha decay of uranium-238?

a)
b)
c)
d)
57.

What type of decay does this symbol represent?

a)

beta decay

b)

alpha decay

c)

fission

d)

fusion

58.

What type of decay does this symbol represent?

a)

beta decay

b)

alpha decay

c)

gamma decay

d)

fusion

59.

The bottom number in alpha decay tells you the _____________ of the element.

a)

identity

b)

mass

c)

mass number

d)

symbol

60.

Solve the nuclear decay reaction:

a)
b)
c)
d)
61.

Solve the nuclear decay reaction:

a)
b)
c)
d)
62.
If the atomic mass is 200, and alpha radiation is used, what is the atomic mass of the daughter particle?
a)
200
b)
198
c)
196
d)
194
63.
What is emitted during Alpha Radiation?
a)
A helium nuclei.
b)
A helium atom
c)
Gamma Rays.
d)
Positrons
64.

In alpha decay when the top number decreases by 4, what are you actually losing?

a)

2 protons & 2 neutrons

b)

4 protons

c)

2 protons & 2 electrons

d)

2 electrons & 2 neutrons

65.

Solve the nuclear decay reaction:

a)

32/15 P

b)

32/17 P

c)

32/16 P

d)

32/17 Cl

66.
The type of radioactive particle that can be stopped by a sheet of paper is the ____.
a)
alpha particle
b)
beta particle
c)
gamma ray
d)
uranium
67.
Negatively charged particles emitted from a nucleus at a high speed are ____.  
a)
alpha particle
b)
gamma rays
c)
beta particles
d)
X rays
68.

Gamma rays _________.

a)

have no mass and no charge

b)

have mass but no charge

c)

have no mass but have charge

d)

have mass and charge

69.

What in the name for the original, unstable isotope before decay

a)

Parent isotope

b)

Father isotope

c)

Daughter isotope

d)

Son Isotope

70.

What is the name for the final, more stable isotope following decay

a)

Parent isotope

b)

Father isotope

c)

Daughter isotope

d)

Son Isotope

71.

finish the equation


18173Ta --> ____ + 18174W

a)

42He

b)

0-1e

c)

y

72.

Solve this equation.

85209At = ___ + 24He

a)

83205Bi

b)

86209Rn

c)

81207Tl

d)

85208At

73.

Solve this equation for.

614C = ___ + -10e

a)

410Be

b)

714N

c)

210He

d)

613C

74.
In a correctly written symbol what would be located in the "A" position?
a)
number of neutrons
b)
atomic number
c)
number of electrons 
d)
mass number
75.

In a correctly written symbol what would be located in the "Z" position?

a)

number of neutrons

b)

atomic number

c)

number of electrons

d)

mass number

76.
A helium nucleus with two protons and two neutrons is called a(n) ____.  
a)
alpha particle
b)
electroscope
c)
beta particle
d)
gamma ray
77.
After the nucleus of a radioactive element undergoes changes, the element can transform into ...
a)
  (a)  a different isotope of the same element.
b)
(b) an entirely different element.
c)
Both (a) and (b)
d)
Neither (a) nor (b)
78.
Alpha particles.....
a)
a) are positively charged.
b)
b) consist of two protons and four neutrons.
c)
c) can penetrate any thickness of matter
d)
d) All of the above 
79.
The process of nuclear change in an atom of radioactive material is called... 
a)
nuclear decay
b)
nuclear mass
c)
isotopes
d)
radon
80.
During beta decay, a nucleus .... 
a)
gives up two protons and two neutrons.
b)
  maintains the same number of protons and neutrons.
c)
  loses a proton and gains a neutron.
d)
gains a proton and loses a neutron. 
81.
When a nucleus undergoes nuclear decay by gamma rays, the atomic number of the element....
a)
remains the same
b)
  decreases by one.
c)
increases by one.
d)
increases by two.
82.
The process of the production of lighter nuclei from heavier nuclei is called
a)
mass energy
b)
magneticism
c)
fusion
d)
fission
83.
Radioactive materials have unstable...
a)
electrons
b)
protons
c)
nuclei
d)
neutrons
84.
The type of radioactive particle that can be stopped by a sheet of paper is the ____.
a)
alpha particle
b)
beta particle
c)
gamma ray
d)
uranium
85.
The most penetrating type of radiation is the ____.  
a)
alpha particle
b)
gamma ray
c)
beta particle
d)
uranium
86.
A helium nucleus with two protons and two neutrons is called a(n) ____.  
a)
alpha particle
b)
electroscope
c)
beta particle
d)
gamma ray
87.
Negatively charged particles emitted from a nucleus at a high speed are ____.  
a)
alpha particle
b)
gamma rays
c)
beta particles
d)
X rays
88.
The three types of nuclear radiation in increasing order of penetrating power are ____.  
a)
  alpha, beta, gamma 
b)
X ray, beta, gamma
c)
alpha, gamma, beta 
d)
X ray, gamma, beta 
89.
Radioactive tracers are useful in ____.
a)
calculating the ages of fossils 
b)
fueling nuclear reactions 
c)
determining medical problems 
d)
treating brain tumors 
90.
The process by which nuclei having low masses are united to form nuclei with larger masses is ____.  
a)
a chain reaction 
b)
fission
c)
a chemical reaction 
d)
fusion 
91.
For which of the following problems would a scientist most likely use carbon-14? 
a)
to calculate the age of the Earth's oldest rocks
b)
to calculate the age of a piece of bone 
c)
to identify the elements that make up a rock 
d)
to identify the elements that make up a bone

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