Free Printable Nuclear Decay Practice and Fission and Fusion

Worksheets

Nuclear Decay Practice and Fission and Fusion

Total questions: 22

Worksheet time: 37mins

Name

Class

Date

What is the symbol for an alpha particle?

⁴₂He

⁰_-1e

⁰₊₁e

¹₀n

In the symbol ²⁰⁶₈₂Pb what does 206 stand for?

Mass number

Atomic number

Atomic mass

Number of protons

Balance the following equation:
¹⁴₆C --> ⁰_-1e + ________

¹⁴₅B

¹⁴₆C

¹⁴₇N

⁴₂He

In the symbol ¹⁶₇N what the 7 stand for?

Mass number

Atomic number

Atomic mass

Number of neutrons

In fission neutron is often used to start the reaction and it is also a product of the reaction. This is called a ____

neutron emission

nuclear fusion

domino effect

chain reaction

Which nuclear process is shown in the picture?

fission

fusion

alpha decay

beta decay

The nuclear process occurring at a nuclear power plant.

Nuclear fusion

Nuclear fission

Combustion

Multiplication

Which order ranks the radiation types from least dangerous to most dangerous?

Beta, gamma, alpha

Alpha, gamma, beta

Gamma, beta, alpha

Alpha, beta, gamma

During fission, some of the nuclear mass is converted into

energy

heavier nuclei

critical mass

protons

10.

Complete the nuclear equation and determine the type of decay that is occurring in this reaction.

alpha

beta

gamma

none

11.

Two or more nuclei combine to form one larger nucleus in the process of nuclear _____.

Fusion

Fission

Tracing

Decay

12.

Which produces more energy--nuclear fission or nuclear fusion?

Fusion

Fission

They produce the same amount

It depends on the elements used

13.

The force that holds the protons and neutrons together in the nucleus of an atom is called __________.

Strong force

magnetic force

centripetal force

electrostatic force

14.

Which type of nuclear radiation is being emitted here?

Alpha

Beta

Gamma

none

15.

What is the symbol for an beta particle?

⁴₂He

⁰_-1e

⁰₊₁e

¹₀n

16.

What is the symbol for a positron particle?

⁴₂He

⁰_-1e

⁰₊₁e

¹₀n

17.

one larger nucleus breaks down into two or more nuclei in the process of nuclear _____.

Fusion

Fission

Tracing

Decay

18.

²⁴⁰₉₄Pu —› ____ + ⁴₂He

²³⁶₉₂U

²⁴⁷₉₆Cm

²⁴⁴₉₃Np

²⁴²₉₅Am

19.

What is the product of the alpha decay of Thorium-232 ( $^{232}_{90}Th$ )?

$^{228}_{88}Ra$

$^{232}_{91}Pa$

$^{228}_{89}Ac$

$^{232}_{92}U$

20.

Match the description to the correct radiation type.

Categorize the following

a high energy wave

only stopped by lead

most dangerous radiation

least dangerous radiation

emits a helium ion

parent isotope's atomic number decreases by 2 and mass number decreases by 4

can be shielded by skin and thin paper

emitted from radioactive isotopes with atomic numbers greater than 82

emits a negative charge

emitted from radioactive isotopes with too many neutrons (atomic # <82)

mass will stay the same but atomic number will increase by 1

emits a positive charge

emitted from radioactive isotopes with too many protons (atomic # <82)

mass will stay the same but atomic number is decrease by 1

does not change atomic number or mass number

Alpha

Beta

Positron

Gamma

21.

Label the parts of the graph.

a)above atomic #82

b)too many neutrons

c)too many protons

d)line of stability

22.

Label the parts of the graph.

a)alpha particle

b)beta particle

c)positron

d)nonradioactive

Reset

Nuclear Decay Practice and Fission and Fusion

Total questions: 22

Worksheet time: 37mins

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