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Worksheets

Nuclear Chemistry

Total questions: 34

Worksheet time: 17mins

Name
Class
Date
1.

________ are subatomic particles that reside in the nucleus

a)

nucleons

b)

neutrons

c)

nuclide

d)

neutrino

2.

Consist the neucleons

a)

proton and neutron

b)

proton and electron

c)

electron and neutron

d)

neutrino and electron

3.

The total number of nucleons in the nucleus

a)

mass number

b)

electron

c)

proton

d)

neutron

4.

Atoms with the same atomic number but different mass numbers are called radioisotopes.

a)

True

b)

False

5.

nucleus containing a specified number of protons and neutrons

a)

nuclide

b)

isotope

c)

nucleus

d)

neutron

6.

atoms containing radioactive nuclei

a)

radioisotope

b)

radionuclide

c)

nucleus

d)

nuclide

7.

The A is

a)

mass number

b)

atomic number

c)

number of neuton

d)

number of electron

8.

The Z is

a)

mass number

b)

atomic number

c)

number of neuton

d)

number of electron

9.

The number of proton of carbon-13

a)

6

b)

12

c)

14

d)

8

10.

The mass number of carbon-12

a)

6

b)

12

c)

14

d)

8

11.

The number of neutron of carbon-14

a)

6

b)

12

c)

14

d)

8

12.

This is an example of

a)

alpha decay

b)

beta decay

c)

gamma decay

d)

electron capture

13.

The particle missing in the product is

a)

alpha

b)

beta

c)

gamma

d)

positron

14.

This is an example of

a)

alpha decay

b)

beta decay

c)

gamma decay

d)

electron capture

15.

The particle missing in the product is

a)

alpha

b)

beta

c)

gamma

d)

positron

16.

This is an example of

a)

alpha decay

b)

beta decay

c)

positron emission

d)

electron capture

17.

The particle missing in the reactant is

a)

alpha

b)

beta

c)

gamma

d)

positron

18.

The particle missing in the product is

a)

alpha

b)

beta

c)

gamma

d)

positron

19.

______changes neither the mass number nor the atomic number of a nuclide

a)

alpha decay

b)

beta decay

c)

gamma decay

d)

electron capture

20.

The particle not deflected by charged plate

a)

alpha

b)

beta

c)

gamma

d)

positron

21.

Electron captured by nucleus in electron capture reaction is from the first energy level

a)

true

b)

false

22.

nucleus changed its identity because it is struck by a neutron or by another nucleus

a)

nuclear transmutation

b)

nuclear fusion

c)

nuclear fission

23.

Splitting of heavy nucleus to lighter one

a)

nuclear transmutation

b)

nuclear fusion

c)

nuclear fission

24.

Merging of lighter nucleus to heavy ones

a)

nuclear transmutation

b)

nuclear fusion

c)

nuclear fission

25.

Reaction happening in nuclear power plants

a)

nuclear transmutation

b)

nuclear fusion

c)

nuclear fission

26.

Reaction happening as the sun generates energy

a)

nuclear transmutation

b)

nuclear fusion

c)

nuclear fission

27.

SI unit for nuclear activity

a)

Bq

b)

Ci

c)

J

d)

BTU

28.

Half-life is affected by state of chemical conditions.

a)

True

b)

False

29.

The masses of individual nucleons that composed the nuclei is heavier than the mass of the nuclei.

a)

True

b)

False

30.

In equation E=mc2, c is equivalent to

a)

2.9979 x 108 m/s

b)

2.9979 x 108 m2/s

c)

2.9979 x 108 m/s2

d)

2.9979 x 108 m2/s2

31.

1 Ci is equivalent to 3.7 x 1010 Bq.

a)

True

b)

False

32.

What is O-17?

a)

product nucleus

b)

target nucleus

c)

ejected particle

d)

bombarding particle

33.

What is N-14?

a)

product nucleus

b)

target nucleus

c)

ejected particle

d)

bombarding particle

34.

What is alpha particle?

a)

product nucleus

b)

target nucleus

c)

ejected particle

d)

bombarding particle