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Radioactive disintegration series

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the Atomic number of Bismuth?

a)

Z=76

b)

Z=89

c)

Z=83

d)

Z=84

2.

How many alpha particles are emitted during the decay of U-238 in the Uranium series

a)

5

b)

8

c)

9

d)

7

3.

Select the elements which comes under Uranium disintegration series

(Th,Pa,Ra,Ac,Rn,Fr,Po,Pb,Np,Bi)

a)

Ra,Rn,Fr,Po,Pb,Th

b)

Pa,Ra,Th,Po

c)

Rn,Pb,Bi

d)

Both b and c

4.

What is the end product in the Actinium Disintegration series?

a)

Pb-208

b)

Pb-206

c)

U-238

d)

Pb-207

5.

Which is the naturally occurring heaviest element in the periodic table?

a)

Lawrencium

b)

Neptunium

c)

Uranium

d)

Einestinium

6.

In the disintegration series of Thorium, the element Bi-212 emits both alpha and beta particles. What are the elements produced?

a)

Bi-212 and Pb-208

b)

Tl-208 and Po-212

c)

Both a and b

d)

All of these

7.

Is Uranium used in the Thorium Disintegration series as like in Actinium series

a)

May be Uranium is a daughter element

b)

Yes, Uranium is used for decay

c)

Both a and b are right

d)

No, Uranium is not uesd

8.

Which is the first radioactive artificial element produced by the decay of U-239?

a)

Pu-240

b)

Np-238

c)

Am-239

d)

Np-239

9.

Choose the correct applications of radioactive Artificial transmutation

a)

Used to produce radioactive artificial elements

b)

Used in medical and defense sectors

c)

Both a and b are wrong

d)

A and b are right

10.

The half life of Pu-239 in the decay of U-239 is______

a)

2.36 days

b)

2.36 minutes

c)

2.36 seconds

d)

2 days